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The terms "gem" and "gemstone" mean any mineral or organic material (e.g., pearl and petrified wood) used for personal adornment, display, or object of art because it possesses beauty, rarity, and durability. Of the 2,700 mineral species, only about 100 possess all these attributes. Silicates compose the largest group of gemstones; oxides and quartz compose the second largest.
Publications
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Annual Publications
- Gemstones
PDF Format:
| 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |2012 |2013
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- Appendixes
- Gemstones
PDF Format:
| 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
XLS Format:
| 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | - Archive
| 1932-1993 |
Special Publications
- Gemstones - An Overview of Production of Specific U.S. Gemstones
U.S. Bureau of Mines Special Publication 14-95 - Historical Statistics for Mineral and Material Commodities in the United States
Data Series 140 - Natural Gemstones
USGS General Interest Publication
Contacts
- USGS Mineral Commodity Specialist
Donald W. Olson
Phone: 703-648-7721
Fax: 703-648-7975
Email: dolson@usgs.gov
