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Gemstones

Mining Engineering

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Abstract

The estimated value of natural gemstones produced from U.S. deposits during 2012 was $11.1 million, a slight increase from 2011. U.S. gemstone production included agate, amber, beryl, coral, garnet, jade, jasper, opal, pearl, quartz, sapphire, shell, topaz, tourmaline, turquoise and many other gem materials.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Gemstones
Series title:
Mining Engineering
Volume
2013
Issue:
July
Year Published:
2013
Language:
English
Publisher:
SME
Contributing office(s):
National Minerals Information Center
Description:
2 p.
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Mining Engineering
First page:
45
Last page:
46