Gemstones - Quartz Gemstones - Quartz
SP-14-95
Quartz
Rock crystal quartz, the most common gem variety of quartz crystal, is, like all quartz, formed from the two most .. http://minerals.usgs.gov/minerals/pubs/commodity/gemstones/sp14-95/ quartz.html- 9.1KB - +topic:793592263: 13, quartz: 22
Assessment of Mineral Resource Tracts in the Chugach National Forest, Alaska This report assesses the mineral resource potential of the Chugach National Forest, Alaska, using the following deposit models: Cyprus-type .. http://geopubs.wr.usgs.gov/open-file/of00-026/- 2.7KB - +topic:793592263: 13, quartz: 12
810396 QUARTZ CRYSTAL (INDUSTRIAL) (Data in metric tons, unless noted) Domestic Production and Use: Domestic production of cultured quartz crystal has been relatively steady for .. http://minerals.usgs.gov/minerals/pubs/commodity/silica/810396.txt- 5.6KB - +topic:793592263: 13, quartz: 15
quartz QUARTZ CRYSTAL (INDUSTRIAL) (Data in metric tons, unless noted) Domestic Production and Use: Domestic production of cultured quartz crystal has been relatively steady for the .. http://minerals.usgs.gov/minerals/pubs/mcs/1996/quartz.txt- 5.6KB - +topic:793592263: 13, quartz: 15
USGS Professional Paper 1640-A Mineral Deposit Density -- An Update U.S. Geological Surveyhttp://pubs.usgs.gov/prof/p1640a/- 8.2KB - +topic:793592263: 13, quartz: 6
USGS Minerals Information: Silica Statistics and information on the worldwide supply, demand, and flow of silica USGS - U.S. Geological Survey, Mineral Resources Program, ...http://minerals.usgs.gov/minerals/pubs/commodity/silica/- 9.9KB - +topic:793592263: 13, quartz: 7
