Gemstones - Synthetic and Simulant Gemstones - Synthetic and Simulant
SP-14-95
Synthetic and Simulant
Synthetic and simulant are terminology used by the USBM for laboratory grown .. http://minerals.usgs.gov/minerals/pubs/commodity/gemstones/sp14-95/ synthetic.html- 10.3KB - +topic:793592263: 13, ruby: 4
Natural Gemstones - Mineral Gemstones Natural Gemstones - Mineral Gemstones
Mineral Gemstones
Hardness and specific gravity are two of the major characteristics of gemstones.
Hardness of a gemstone is .. http://pubs.usgs.gov/gip/gemstones/mineral.html- 8.3KB - +topic:793592263: 13, ruby: 2
Gemstones - Garnet Gemstones - Garnet
SP-14-95
Garnet
Garnet, the January birthstone, derived its name from the Latin word granatus, meaning like a grain, which refers to .. http://minerals.usgs.gov/minerals/pubs/commodity/gemstones/sp14-95/ garnet.html- 15.3KB - +topic:793592263: 13, ruby: 2
USGS Eastern Mineral Resources Team publications, 1998-1999 A listing of publications authored and co-authored by members of the USGS Eastern Mineral Resources team, from 1998 .. Eastern Mineral Resources Team, U. S. Geological Surveyhttp://minerals.usgs.gov/east/98_99pubs.html- 85.8KB - +topic:793592263: 13, ruby: 1
Central Mineral Resources Team Open-File Reports USGS Central Mineral Resources Team - On-Line Open-File Reports http://minerals.cr.usgs.gov/publications/open-file-reports.html- 66.5KB - +topic:793592263: 13, ruby: 1
290396 GEMSTONES1/ (Data in million dollars, unless noted) Domestic Production and Use: Output of natural gemstones was primarily from Tennessee, Alabama, Arkansas, North Carolina, Oregon, .. http://minerals.usgs.gov/minerals/pubs/commodity/gemstones/290396.txt- 7.1KB - +topic:793592263: 13, ruby: 2
gemstone GEMSTONES1/ (Data in million dollars, unless noted) Domestic Production and Use: Output of natural gemstones was primarily from Tennessee, Alabama, Arkansas, North Carolina, .. http://minerals.usgs.gov/minerals/pubs/mcs/1996/gemstone.txt- 7.1KB - +topic:793592263: 13, ruby: 2
