INSPIRE
Registry

chalcedony

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Label:
chalcedony
Definition:
Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of the minerals quartz and moganite.- http://en.wikipedia.org/wiki/Chalcedony
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Label Governance level Status
agate eu-technical Valid
carnelian eu-technical Valid
chrysoprase eu-technical Valid