http://inspire.ec.europa.eu/codelist/CommodityCodeValue/directUseCcommodityINSPIRE Registry teamJRC-INSPIRE-SUPPORT@ec.europa.euhttp://inspire.ec.europa.eu/registry2015-08-18 18:07 PM CEST2015-08-18 18:07 PM CESTdirect use commodityCommodity mined and used directly as product, in many cases with some sort of 'beneficiation'.http://inspire.ec.europa.eu/codelist/CommodityCodeValue/industrialMaterial2015-08-18 18:07 PM CEST2015-08-18 18:07 PM CESTindustrial materialA compound Earth material, or rock product that is directly used for industrial purposes. Not a specific mineral constituent in the mined material.http://inspire.ec.europa.eu/codelist/CommodityCodeValue/industrialMineral2015-08-18 18:08 PM CEST2015-08-18 18:08 PM CESTindustrialMineralCommodity is a mineral or mineral group that is directly used for industrial purposes.http://inspire.ec.europa.eu/codelist/CommodityCodeValue/gemstone2015-08-18 18:09 PM CEST2015-08-18 18:09 PM CESTgemstoneA 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