http://inspire.ec.europa.eu/codelist/CommodityCodeValue/gemstone
2015-08-18 18:09 PM CEST
gemstone
gemstone
A gemstone or gem (also called a precious or semi-precious stone, a fine gem, or jewel) is a piece of mineral, which, in cut and polished form, is used to make jewelry or other adornments. - http://en.wikipedia.org/wiki/Gemstone
A gemstone or gem (also called a precious or semi-precious stone, a fine gem, or jewel) is a piece of mineral, which, in cut and polished form, is used to make jewelry or other adornments. - http://en.wikipedia.org/wiki/Gemstone
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http://inspire.ec.europa.eu/codelist/CommodityCodeValue/amber
2015-08-18 18:09 PM CEST
amber
amber
Amber is fossilized tree resin (not sap), which has been appreciated for its color and natural beauty since Neolithic times. Much valued from antiquity to the present as a gemstone, amber is made into a variety of decorative objects. Amber is used as an ingredient in perfumes, as a healing agent in folk medicine, and as jewelry. - http://en.wikipedia.org/wiki/Amber
Amber is fossilized tree resin (not sap), which has been appreciated for its color and natural beauty since Neolithic times. Much valued from antiquity to the present as a gemstone, amber is made into a variety of decorative objects. Amber is used as an ingredient in perfumes, as a healing agent in folk medicine, and as jewelry. - http://en.wikipedia.org/wiki/Amber
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/apatiteGemstone
2015-08-18 18:09 PM CEST
apatite-gemstone
apatite-gemstone
Apatite is a group of phosphate minerals, usually referring to hydroxylapatite, fluorapatite and chlorapatite, named for high concentrations of OH−, F− and Cl− ions, respectively, in the crystal. The formula of the admixture of the four most common endmembers is written as Ca10(PO4)6(OH,F,Cl)2, and the crystal unit cell formulae of the individual minerals are written as Ca10(PO4)6(OH)2, Ca10(PO4)6(F)2 and Ca10(PO4)6(Cl)2. - http://en.wikipedia.org/wiki/Apatite
Apatite is a group of phosphate minerals, usually referring to hydroxylapatite, fluorapatite and chlorapatite, named for high concentrations of OH−, F− and Cl− ions, respectively, in the crystal. The formula of the admixture of the four most common endmembers is written as Ca10(PO4)6(OH,F,Cl)2, and the crystal unit cell formulae of the individual minerals are written as Ca10(PO4)6(OH)2, Ca10(PO4)6(F)2 and Ca10(PO4)6(Cl)2. - http://en.wikipedia.org/wiki/Apatite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/beryl
2015-08-18 18:09 PM CEST
beryl
beryl
Beryl is often unknown to the general public, even the gemstone-buying public. However, it is one of the most important gem minerals. Beryl is colorless in pure form; it is the many different impurities that give beryl its varied coloration. - http://www.galleries.com/Beryl
Beryl is often unknown to the general public, even the gemstone-buying public. However, it is one of the most important gem minerals. Beryl is colorless in pure form; it is the many different impurities that give beryl its varied coloration. - http://www.galleries.com/Beryl
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/aquamarine
2015-08-18 18:09 PM CEST
aquamarine
aquamarine
A blue- or turquoise-colored variety of beryl.
A blue- or turquoise-colored variety of beryl.
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/emerald
2015-08-18 18:09 PM CEST
emerald
emerald
A variety of the mineral beryl characterized by green color.
A variety of the mineral beryl characterized by green color.
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/heliodor
2015-08-18 18:09 PM CEST
heliodor
heliodor
Heliodor is the yellow variety of beryl, the "mother of gemstones". Heliodor does not include golden colors which are given the apt name of golden beryl. - http://www.galleries.com/Heliodor
Heliodor is the yellow variety of beryl, the "mother of gemstones". Heliodor does not include golden colors which are given the apt name of golden beryl. - http://www.galleries.com/Heliodor
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/morganite
2015-08-18 18:09 PM CEST
morganite
morganite
Morganite is the pink variety of beryl, the "mother of gemstones". While there are other pink gemstones (rose quartz and tourmaline come to mind), morganite is the most durable and rarest. - http://www.galleries.com/Morganite
Morganite is the pink variety of beryl, the "mother of gemstones". While there are other pink gemstones (rose quartz and tourmaline come to mind), morganite is the most durable and rarest. - http://www.galleries.com/Morganite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/cassiteriteGemstone
2015-08-18 18:09 PM CEST
cassiterite-gemstone
cassiterite-gemstone
Cassiterite is a mineral that has ornately faceted specimens with high luster. It is generally opaque, but its luster and multiple crystal faces cause a nice sparkle. - http://www.galleries.com/Cassiterite
Cassiterite is a mineral that has ornately faceted specimens with high luster. It is generally opaque, but its luster and multiple crystal faces cause a nice sparkle. - http://www.galleries.com/Cassiterite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/chrysoberyl
2015-08-18 18:09 PM CEST
chrysoberyl
chrysoberyl
Chrysoberyl is a poorly known mineral in the gem world even though the gem varieties are popular.There are three main gem varieties: - http://www.galleries.com/Chrysoberyl
Chrysoberyl is a poorly known mineral in the gem world even though the gem varieties are popular.There are three main gem varieties: - http://www.galleries.com/Chrysoberyl
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/cordierite
2015-08-18 18:09 PM CEST
cordierite
cordierite
Cordierite is not a well known or popular mineral for mineral collectors. However, its gemstone variety is well known and is rather popular among gemstone collectors and fanciers. - http://www.galleries.com/Cordierite
Cordierite is not a well known or popular mineral for mineral collectors. However, its gemstone variety is well known and is rather popular among gemstone collectors and fanciers. - http://www.galleries.com/Cordierite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/corundumGemstone
2015-08-18 18:09 PM CEST
corundum-gemstone
corundum-gemstone
Corundum is the third hardest natural mineral known to science. The hardest mineral, diamond is still four times harder than corundum - http://www.galleries.com/Corundum
Corundum is the third hardest natural mineral known to science. The hardest mineral, diamond is still four times harder than corundum - http://www.galleries.com/Corundum
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/ruby
2015-08-18 18:09 PM CEST
ruby
ruby
A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). - http://en.wikipedia.org/wiki/Rub\\
A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). - http://en.wikipedia.org/wiki/Rub\\
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/sapphire
2015-08-18 18:09 PM CEST
sapphire
sapphire
Sapphire is a blue gemstone variety of the mineral corundum. - http://en.wikipedia.org/wiki/Sapphire
Sapphire is a blue gemstone variety of the mineral corundum. - http://en.wikipedia.org/wiki/Sapphire
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/diamondGemstone
2015-08-18 18:09 PM CEST
diamond-gemstone
diamond-gemstone
Diamond is the ultimate gemstone, having few weaknesses and many strengths. It is well known that Diamond is the hardest substance found in nature, but few people realize that Diamond is four times harder than the next hardest natural mineral, corundum (sapphire and ruby). But even as hard as it is, it is not impervious. Diamond has four directions of cleavage, meaning that if it receives a sharp blow in one of these directions it can cleave, or split. - http://www.galleries.com/Diamond
Diamond is the ultimate gemstone, having few weaknesses and many strengths. It is well known that Diamond is the hardest substance found in nature, but few people realize that Diamond is four times harder than the next hardest natural mineral, corundum (sapphire and ruby). But even as hard as it is, it is not impervious. Diamond has four directions of cleavage, meaning that if it receives a sharp blow in one of these directions it can cleave, or split. - http://www.galleries.com/Diamond
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/diopsideEnstatite
2015-08-18 18:09 PM CEST
diopside-enstatite
diopside-enstatite
Diopside is an important rock forming mineral in several metamorphic and basic to ultra basic igneous rocks, also found in meteorites. Diopside is a part of an important solid solution series of the pyroxene group. Occasionally used as a gemstone and as a mineral specimen. - http://www.galleries.com/Diopside
Diopside is an important rock forming mineral in several metamorphic and basic to ultra basic igneous rocks, also found in meteorites. Diopside is a part of an important solid solution series of the pyroxene group. Occasionally used as a gemstone and as a mineral specimen. - http://www.galleries.com/Diopside
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/dioptase
2015-08-18 18:09 PM CEST
dioptase
dioptase
Dioptase is a very beautiful mineral and it is one of the few minerals that can challenge the peerlessness of emerald's deep green. Unfortunately it is rather soft (for a gemstone) and has good cleavage and therefore is not usually cut as a gemstone. - http://www.galleries.com/Dioptase
Dioptase is a very beautiful mineral and it is one of the few minerals that can challenge the peerlessness of emerald's deep green. Unfortunately it is rather soft (for a gemstone) and has good cleavage and therefore is not usually cut as a gemstone. - http://www.galleries.com/Dioptase
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/dumortierite
2015-08-18 18:09 PM CEST
dumortierite
dumortierite
Dumortierite is a boro-silicate mineral that is used as a popular ornamental stone. It has a deep violet to blue color that is very attractive and unusual. Although it is not used as a gemstone due to a lack of clarity, it does have good hardness and a bright color. - http://www.galleries.com/Dumortierite
Dumortierite is a boro-silicate mineral that is used as a popular ornamental stone. It has a deep violet to blue color that is very attractive and unusual. Although it is not used as a gemstone due to a lack of clarity, it does have good hardness and a bright color. - http://www.galleries.com/Dumortierite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/euclase
2015-08-18 18:09 PM CEST
euclase
euclase
Euclase is not a well known gemstone, but is more well known by mineral collectors. It forms well formed crystals that occasionally have enough clarity to be cut as gems. - http://www.galleries.com/Euclase
Euclase is not a well known gemstone, but is more well known by mineral collectors. It forms well formed crystals that occasionally have enough clarity to be cut as gems. - http://www.galleries.com/Euclase
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/feldsparGemstone
2015-08-18 18:09 PM CEST
feldspar-gemstone
feldspar-gemstone
The feldspars are a group of minerals that have similar characteristics due to a similar structure.- http://www.galleries.com/Feldspar_Group
The feldspars are a group of minerals that have similar characteristics due to a similar structure.- http://www.galleries.com/Feldspar_Group
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/amazonite
2015-08-18 18:09 PM CEST
amazonite
amazonite
A green variety of microcline feldspar. - http://en.wikipedia.org/wiki/Amazonite
A green variety of microcline feldspar. - http://en.wikipedia.org/wiki/Amazonite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/moonstone
2015-08-18 18:09 PM CEST
moonstone
moonstone
Moonstone is a sodium potassium aluminium silicate, with the chemical formula (Na,K)AlSi3O8. - http://en.wikipedia.org/wiki/Moonstone_(gemstone)
Moonstone is a sodium potassium aluminium silicate, with the chemical formula (Na,K)AlSi3O8. - http://en.wikipedia.org/wiki/Moonstone_(gemstone)
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/spectrolite
2015-08-18 18:09 PM CEST
spectrolite
spectrolite
A variety of labradorite feldspar that exhibits a richer range of colours than the blue-grey-green of labradorite, and high has labradoresence. Sometimes incorrectly used to describe labradorite whenever a richer display of colours is present, regardless of locality. - http://en.wikipedia.org/wiki/Spectrolite
A variety of labradorite feldspar that exhibits a richer range of colours than the blue-grey-green of labradorite, and high has labradoresence. Sometimes incorrectly used to describe labradorite whenever a richer display of colours is present, regardless of locality. - http://en.wikipedia.org/wiki/Spectrolite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/garneeu-technicalemstone
2015-08-18 18:09 PM CEST
2015-08-24 10:48 AM CEST
garnet-gemstone
garnet-gemstone
Garnets are a group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives. - http://en.wikipedia.org/wiki/Garnet
Garnets are a group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives. - http://en.wikipedia.org/wiki/Garnet
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/hematiteGemstone
2015-08-18 18:09 PM CEST
hematite-gemstone
hematite-gemstone
Hematite, also spelled as haematite, is the mineral form of iron(III) oxide (Fe2O3), one of several iron oxides. - http://en.wikipedia.org/wiki/Hematite
Hematite, also spelled as haematite, is the mineral form of iron(III) oxide (Fe2O3), one of several iron oxides. - http://en.wikipedia.org/wiki/Hematite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/jade
2015-08-18 18:09 PM CEST
jade
jade
Jade is a name that was applied to ornamental stones that were being brought to Europe from China and Central America.- http://www.galleries.com/Jade
Jade is a name that was applied to ornamental stones that were being brought to Europe from China and Central America.- http://www.galleries.com/Jade
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/kornerupine
2015-08-18 18:09 PM CEST
kornerupine
kornerupine
Kornerupine is a rare gemstone and an equally rare mineral specimen. Its claim to fame is its wonderful emerald green color.- http://www.galleries.com/Kornerupine
Kornerupine is a rare gemstone and an equally rare mineral specimen. Its claim to fame is its wonderful emerald green color.- http://www.galleries.com/Kornerupine
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/kyaniteGemstone
2015-08-18 18:09 PM CEST
kyanite-gemstone
kyanite-gemstone
Kyanite is an attractive mineral that has a near sapphire-like blue color in some especially nice specimens - http://www.galleries.com/Kyanite
Kyanite is an attractive mineral that has a near sapphire-like blue color in some especially nice specimens - http://www.galleries.com/Kyanite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/lazulite
2015-08-18 18:09 PM CEST
lazulite
lazulite
Lazulite is named from an Arabic word for heaven in allusion to its sky blue color. Crystals are more common than massive forms, but localities with gem grade crystals are scattered and scarce. - http://www.galleries.com/Lazulite
Lazulite is named from an Arabic word for heaven in allusion to its sky blue color. Crystals are more common than massive forms, but localities with gem grade crystals are scattered and scarce. - http://www.galleries.com/Lazulite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/malachite
2015-08-18 18:09 PM CEST
malachite
malachite
Malachite is a famous and very popular semi-precious stone. It is named for the Greek word for "mallow", a green herb. Its banded light and dark green designs are one-of-a-kind, and give it a unique ornamental quality unlike that of any other stone. - http://www.galleries.com/Malachite
Malachite is a famous and very popular semi-precious stone. It is named for the Greek word for "mallow", a green herb. Its banded light and dark green designs are one-of-a-kind, and give it a unique ornamental quality unlike that of any other stone. - http://www.galleries.com/Malachite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/obsidian
2015-08-18 18:09 PM CEST
obsidian
obsidian
Obsidian is the result of volcanic lava coming in contact with water. Often the lava pours into a lake or ocean and is cooled quickly. This process produces a glassy texture in the resulting rock. Iron and magnesium give the obsidian a dark green to black color. Obsidian has been used by ancient people as a cutting tool, for weapons, and for ceremonial purposes and is sometimes found by archaeologists in excavations. - http://www.galleries.com/Obsidian
Obsidian is the result of volcanic lava coming in contact with water. Often the lava pours into a lake or ocean and is cooled quickly. This process produces a glassy texture in the resulting rock. Iron and magnesium give the obsidian a dark green to black color. Obsidian has been used by ancient people as a cutting tool, for weapons, and for ceremonial purposes and is sometimes found by archaeologists in excavations. - http://www.galleries.com/Obsidian
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/olivineGemstone
2015-08-18 18:09 PM CEST
olivine-gemstone
olivine-gemstone
Peridot is gem-quality olivine. Olivine is a silicate mineral with formula of (Mg, Fe)2SiO4. As peridot is the magnesium-rich variety (forsterite) the formula approaches Mg2SiO4. -
Peridot is gem-quality olivine. Olivine is a silicate mineral with formula of (Mg, Fe)2SiO4. As peridot is the magnesium-rich variety (forsterite) the formula approaches Mg2SiO4. -
http://en.wikipedia.org/wiki/Peridot
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/phenakite
2015-08-18 18:09 PM CEST
phenakite
phenakite
A fairly rare nesosilicate mineral consisting of beryllium orthosilicate, Be2SiO4 http://en.wikipedia.org/wiki/Phenakite
A fairly rare nesosilicate mineral consisting of beryllium orthosilicate, Be2SiO4 http://en.wikipedia.org/wiki/Phenakite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/prehnite
2015-08-18 18:09 PM CEST
prehnite
prehnite
Prehnite was named after its discoverer; Colonel Hendrik von Prehn and is an attractive collection mineral that is occassionally used for ornamental stone purposes. - http://www.galleries.com/Prehnite
Prehnite was named after its discoverer; Colonel Hendrik von Prehn and is an attractive collection mineral that is occassionally used for ornamental stone purposes. - http://www.galleries.com/Prehnite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/quartzGemstone
2015-08-18 18:09 PM CEST
quartz-gemstone
quartz-gemstone
Quartz is the most common mineral on the face of the Earth. Some macrocrystalline (large crystal) varieties are well known and popular as ornamental stone and as gemstones. - http://www.galleries.com/Quartz
Quartz is the most common mineral on the face of the Earth. Some macrocrystalline (large crystal) varieties are well known and popular as ornamental stone and as gemstones. - http://www.galleries.com/Quartz
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/amethyst
2015-08-18 18:09 PM CEST
amethyst
amethyst
Amethyst is a violet variety of quartz often used in jewelry. - http://en.wikipedia.org/wiki/Amethyst
Amethyst is a violet variety of quartz often used in jewelry. - http://en.wikipedia.org/wiki/Amethyst
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/citrine
2015-08-18 18:09 PM CEST
citrine
citrine
Citrine is a variety of quartz whose color ranges from a pale yellow to brown. - http://en.wikipedia.org/wiki/Citrine#Citrine
Citrine is a variety of quartz whose color ranges from a pale yellow to brown. - http://en.wikipedia.org/wiki/Citrine#Citrine
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/roseQuartz
2015-08-18 18:09 PM CEST
rose quartz
rose quartz
Rose quartz is a type of quartz which exhibits a pale pink to rose red hue - http://en.wikipedia.org/wiki/Rose_quartz#Rose_quartz
Rose quartz is a type of quartz which exhibits a pale pink to rose red hue - http://en.wikipedia.org/wiki/Rose_quartz#Rose_quartz
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/smokeyQuartz
2015-08-18 18:09 PM CEST
smokey quartz
smokey quartz
Smoky quartz is a brown to black variety of quartz - http://en.wikipedia.org/wiki/Smoky_quartz
Smoky quartz is a brown to black variety of quartz - http://en.wikipedia.org/wiki/Smoky_quartz
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/rhodonite
2015-08-18 18:09 PM CEST
rhodonite
rhodonite
Rhodonite is an attractive mineral that is often carved and used in jewelry. It is named after the Greek word for rose, rhodon. - http://www.galleries.com/Rhodonite
Rhodonite is an attractive mineral that is often carved and used in jewelry. It is named after the Greek word for rose, rhodon. - http://www.galleries.com/Rhodonite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/sapphirine
2015-08-18 18:09 PM CEST
sapphirine
sapphirine
Sapphire is the non-red variety of corundum, the second hardest natural mineral known to mankind. The red variety of corundum is Ruby - all other colors are called sapphire, even pink. - http://www.galleries.com/Sapphire
Sapphire is the non-red variety of corundum, the second hardest natural mineral known to mankind. The red variety of corundum is Ruby - all other colors are called sapphire, even pink. - http://www.galleries.com/Sapphire
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/scapolite
2015-08-18 18:09 PM CEST
scapolite
scapolite
A group of rock-forming silicate minerals composed of aluminium, calcium, and sodium silicate with chlorine, carbonate and sulfate. - http://en.wikipedia.org/wiki/Scapolite
A group of rock-forming silicate minerals composed of aluminium, calcium, and sodium silicate with chlorine, carbonate and sulfate. - http://en.wikipedia.org/wiki/Scapolite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/silicaGemstone
2015-08-18 18:09 PM CEST
silica-gemstone
silica-gemstone
http://en.wikipedia.org/wiki/Silica
http://en.wikipedia.org/wiki/Silica
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/chalcedony
2015-08-18 18:09 PM CEST
chalcedony
chalcedony
Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of the minerals quartz and moganite.- http://en.wikipedia.org/wiki/Chalcedony
Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of the minerals quartz and moganite.- http://en.wikipedia.org/wiki/Chalcedony
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/agate
2015-08-18 18:09 PM CEST
agate
agate
A variety of chalcedony having variegated colors arranged in stripes, blended in clouds, or showing mosslike forms. Sardonyx is a red-white or rarely red-white-black variant.. - http://www.merriam-webster.com/dictionary/agate; http://www.quartzpage.de/agate.html
A variety of chalcedony having variegated colors arranged in stripes, blended in clouds, or showing mosslike forms. Sardonyx is a red-white or rarely red-white-black variant.. - http://www.merriam-webster.com/dictionary/agate; http://www.quartzpage.de/agate.html
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/mossAgate
2015-08-18 18:09 PM CEST
mossAgate
mossAgate
mossAgate (also called mocha stone) is a semi-precious gemstone formed from silicon dioxide. It is a form of chalcedony which includes minerals of a green colour embedded in the stone, forming filaments and other patterns suggestive of moss. It also sometimes resembles blue-cheese. The field is a clear or milky-white quartz, and the included minerals are mainly oxides of manganese or iron. It is not a true form of agate, as it lacks agate's defining feature of concentric banding. mossAgate is of the white variety with green inclusions that resemble moss. It occurs - http://en.wikipedia.org/wiki/Moss_agate
mossAgate (also called mocha stone) is a semi-precious gemstone formed from silicon dioxide. It is a form of chalcedony which includes minerals of a green colour embedded in the stone, forming filaments and other patterns suggestive of moss. It also sometimes resembles blue-cheese. The field is a clear or milky-white quartz, and the included minerals are mainly oxides of manganese or iron. It is not a true form of agate, as it lacks agate's defining feature of concentric banding. mossAgate is of the white variety with green inclusions that resemble moss. It occurs - http://en.wikipedia.org/wiki/Moss_agate
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/onyx
2015-08-18 18:10 PM CEST
onyx
onyx
Onyx is a black-and-white banded agate - http://www.quartzpage.de/agate.html#onyx
Onyx is a black-and-white banded agate - http://www.quartzpage.de/agate.html#onyx
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/carnelian
2015-08-18 18:10 PM CEST
carnelian
carnelian
A variety of chalcedony colored by iron oxide, which is commonly used as a semi-precious gemstone. The color can vary greatly, ranging from pale orange to an intense almost-black coloration. When Carnelian grades into brown it is known as Sard. Some very dark brown Carnelian can be classified as Jasper. The distinction between these is very fine and relies more on visual appearance than scientific analysis. As a result, it is very possible that one man's Carnelian may be another man's Sard, Agate or Jasper. - http://en.wikipedia.org/wiki/Carnelian; http://www.controverscial.com/Carnelian.htm
A variety of chalcedony colored by iron oxide, which is commonly used as a semi-precious gemstone. The color can vary greatly, ranging from pale orange to an intense almost-black coloration. When Carnelian grades into brown it is known as Sard. Some very dark brown Carnelian can be classified as Jasper. The distinction between these is very fine and relies more on visual appearance than scientific analysis. As a result, it is very possible that one man's Carnelian may be another man's Sard, Agate or Jasper. - http://en.wikipedia.org/wiki/Carnelian; http://www.controverscial.com/Carnelian.htm
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/chrysoprase
2015-08-18 18:10 PM CEST
chrysoprase
chrysoprase
A variety of chalcedony that contains small quantities of nickel. Its color is normally apple-green, but varies to deep green. The darker varieties of chrysoprase are also referred to as prase. (However, the term prase is also used to describe chlorite-included quartz, and to a certain extent is a color-descriptor, rather than a rigorously defined mineral variety.) - http://en.wikipedia.org/wiki/Chrysoprase
A variety of chalcedony that contains small quantities of nickel. Its color is normally apple-green, but varies to deep green. The darker varieties of chrysoprase are also referred to as prase. (However, the term prase is also used to describe chlorite-included quartz, and to a certain extent is a color-descriptor, rather than a rigorously defined mineral variety.) - http://en.wikipedia.org/wiki/Chrysoprase
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/opal
2015-08-18 18:10 PM CEST
opal
opal
Opal is a hydrated amorphous form of silica; its water content may range from 3 to 21% by weight, but is usually between 6 and 10%. Because of its amorphous character, it is classed as a mineraloid - http://en.wikipedia.org/wiki/Opal
Opal is a hydrated amorphous form of silica; its water content may range from 3 to 21% by weight, but is usually between 6 and 10%. Because of its amorphous character, it is classed as a mineraloid - http://en.wikipedia.org/wiki/Opal
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/sinhalite
2015-08-18 18:10 PM CEST
sinhalite
sinhalite
Sinhalite is rare mineral and known only from the gem gravels in Sri Lanka. - http://www.galleries.com/Sinhalite
Sinhalite is rare mineral and known only from the gem gravels in Sri Lanka. - http://www.galleries.com/Sinhalite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/sodalite
2015-08-18 18:10 PM CEST
sodalite
sodalite
Sodalite is a rich royal blue mineral widely enjoyed as an ornamental gemstone. Although massive sodalite samples are opaque, crystals are usually transparent to translucent. Sodalite is a member of the sodalite group with hauyne, nosean, lazurite and tugtupite. - see - http://en.wikipedia.org/wiki/Sodalite
Sodalite is a rich royal blue mineral widely enjoyed as an ornamental gemstone. Although massive sodalite samples are opaque, crystals are usually transparent to translucent. Sodalite is a member of the sodalite group with hauyne, nosean, lazurite and tugtupite. - see - http://en.wikipedia.org/wiki/Sodalite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/spinelGemstone
2015-08-18 18:10 PM CEST
spinel-gemstone
spinel-gemstone
The Spinel Group contains over twenty members, but only a few are considered common. They are a group of oxides that have very similar structures. Named after their sole gemstone representative, spinel, this is an important group of minerals. - http://www.galleries.com/Spinel_Group
The Spinel Group contains over twenty members, but only a few are considered common. They are a group of oxides that have very similar structures. Named after their sole gemstone representative, spinel, this is an important group of minerals. - http://www.galleries.com/Spinel_Group
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/spodumene
2015-08-18 18:10 PM CEST
spodumene
spodumene
Spodumene is a rock forming mineral in granites and pegmatites that bear other lithium minerals. Spodumene is a relatively new mineral to science, being discovered in the last three centuries and gem varieties have only been discovered in the last 120 years. - http://www.galleries.com/Spodumene
Spodumene is a rock forming mineral in granites and pegmatites that bear other lithium minerals. Spodumene is a relatively new mineral to science, being discovered in the last three centuries and gem varieties have only been discovered in the last 120 years. - http://www.galleries.com/Spodumene
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/tanzanite
2015-08-18 18:10 PM CEST
tanzanite
tanzanite
Tanzanite is the blue/purple variety of the mineral zoisite belonging to the epidote group.- http://en.wikipedia.org/wiki/Tanzanite
Tanzanite is the blue/purple variety of the mineral zoisite belonging to the epidote group.- http://en.wikipedia.org/wiki/Tanzanite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/topaz
2015-08-18 18:10 PM CEST
topaz
topaz
Topaz is a common gemstone that has been used for centuries in jewelry. Topaz is the hardest silicate mineral and one of the hardest minerals in nature. - http://www.galleries.com/Topaz
Topaz is a common gemstone that has been used for centuries in jewelry. Topaz is the hardest silicate mineral and one of the hardest minerals in nature. - http://www.galleries.com/Topaz
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/tourmaline
2015-08-18 18:10 PM CEST
tourmaline
tourmaline
Tourmaline is a crystal boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gemstone comes in a wide variety of colors. - http://en.wikipedia.org/wiki/Tourmaline
Tourmaline is a crystal boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gemstone comes in a wide variety of colors. - http://en.wikipedia.org/wiki/Tourmaline
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/turquoise
2015-08-18 18:10 PM CEST
turquoise
turquoise
Turquoise is a valuable mineral and is possibly the most valuable, non-transparent, non-metal mineral in the jewelry trade. - http://www.galleries.com/Turquoise
Turquoise is a valuable mineral and is possibly the most valuable, non-transparent, non-metal mineral in the jewelry trade. - http://www.galleries.com/Turquoise
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/variscite
2015-08-18 18:10 PM CEST
variscite
variscite
Variscite is a relatively rare phosphate mineral that is sometimes confused with turquoise. It is usually greener, however, than turquoise. Variscite is sometimes used as a semi-precious stone and can make distinctive color patterns that are very attractive. - http://www.galleries.com/Variscite
Variscite is a relatively rare phosphate mineral that is sometimes confused with turquoise. It is usually greener, however, than turquoise. Variscite is sometimes used as a semi-precious stone and can make distinctive color patterns that are very attractive. - http://www.galleries.com/Variscite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/vesuvianite
2015-08-18 18:10 PM CEST
vesuvianite
vesuvianite
Vesuvianite, also known as Idocrase, is a fascinating mineral found originally on the volcano, Mt Vesuvius, hence one of the names. The other name, idocrase, is from the greek and means mixed form, an allusion to its crystals showing a mixture of other mineral forms. - http://www.galleries.com/Vesuvianite
Vesuvianite, also known as Idocrase, is a fascinating mineral found originally on the volcano, Mt Vesuvius, hence one of the names. The other name, idocrase, is from the greek and means mixed form, an allusion to its crystals showing a mixture of other mineral forms. - http://www.galleries.com/Vesuvianite
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/xenotimeGemstone
2015-08-18 18:10 PM CEST
xenotime-gemstone
xenotime-gemstone
Xenotime is a rare earth phosphate mineral, whose major component is yttrium orthophosphate (YPO4). Occasionally, gemstones are also cut from the finer xenotime crystals. - http://en.wikipedia.org/wiki/Xenotime
Xenotime is a rare earth phosphate mineral, whose major component is yttrium orthophosphate (YPO4). Occasionally, gemstones are also cut from the finer xenotime crystals. - http://en.wikipedia.org/wiki/Xenotime
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/zirconGemstone
2015-08-18 18:10 PM CEST
zircon-gemstone
zircon-gemstone
Zircon resembles diamond in luster and fire and colorless zircons have been mistaken for diamonds by experienced jewelers. Zircon can make a very attractive and affordable gemstone. It is found in browns and greens but can be heat treated to beautiful blue and golden colors. - http://www.galleries.com/Zircon
Zircon resembles diamond in luster and fire and colorless zircons have been mistaken for diamonds by experienced jewelers. Zircon can make a very attractive and affordable gemstone. It is found in browns and greens but can be heat treated to beautiful blue and golden colors. - http://www.galleries.com/Zircon
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/garnetgemstone
2015-08-20 14:38 PM CEST
garnet-gemstone
garnet-gemstone
Garnets are a group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives. - http://en.wikipedia.org/wiki/Garnet
Garnets are a group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives. - http://en.wikipedia.org/wiki/Garnet
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/tsavorite
2015-08-18 18:09 PM CEST
tsavorite
tsavorite
Tsavorite or tsavolite is a variety of the garnet group species grossular, a calcium-aluminium garnet with the formula Ca3Al2Si3O12 - http://en.wikipedia.org/wiki/Tsavorite
Tsavorite or tsavolite is a variety of the garnet group species grossular, a calcium-aluminium garnet with the formula Ca3Al2Si3O12 - http://en.wikipedia.org/wiki/Tsavorite