skip to main content

Content language

PREFERRED TERM
quartz
TYPE
  • http://purl.org/net/provenance/ns#DataItem

DEFINITION
  • Quartz is the second most abundant mineral in the Earth's continental crust, after feldspar. It is made up of a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall formula SiO2. There are many different varieties of quartz, several of which are semi-precious gemstones. - http://en.wikipedia.org/wiki/Quartz

DESCRIPTION
  • Quartz is the second most abundant mineral in the Earth's continental crust, after feldspar. It is made up of a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall formula SiO2. There are many different varieties of quartz, several of which are semi-precious gemstones. - http://en.wikipedia.org/wiki/Quartz

IDENTIFIER
  • quartz

TITLE
  • quartz

URI
http://inspire.ec.europa.eu/codelist/CommodityCodeValue/quartz
Download this concept:
EQUIVALENT CONCEPTS
Commodity Code