Difference between revisions of "Feldspar"
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(number 6 on the Mohs Hardness Scale) |
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| − | [[Image:Feldspar.gif|thumb|300px]]Of all of the minerals in the Earth's crust, the aluminosilicate, '''feldspar''', is the most common. It is a very useful industrial [[mineral]] that finds applications in making [[glass]], plumbing fixtures, tile and pottery. These uses in the United States accounted for about 630,000 ton of U.S. produced feldspar valued at about $27.4 million. It is also a [[gemstone]].<ref>http://minerals.usgs.gov/minerals/pubs/commodity/gemstones/sp14-95/feldspar.html</ref> | + | [[Image:Feldspar.gif|thumb|300px]]Of all of the minerals in the Earth's crust, the aluminosilicate, '''feldspar''', is the most common. It is a very useful industrial [[mineral]] that finds applications in making [[glass]], plumbing fixtures, tile and pottery. These uses in the United States accounted for about 630,000 ton of U.S. produced feldspar valued at about $27.4 million. It is also a [[gemstone]].<ref>http://minerals.usgs.gov/minerals/pubs/commodity/gemstones/sp14-95/feldspar.html</ref> Feldspar is number 6 on the [[Mohs Hardness Scale]]. |
==References== | ==References== | ||
Latest revision as of 07:26, May 14, 2008
Of all of the minerals in the Earth's crust, the aluminosilicate, feldspar, is the most common. It is a very useful industrial mineral that finds applications in making glass, plumbing fixtures, tile and pottery. These uses in the United States accounted for about 630,000 ton of U.S. produced feldspar valued at about $27.4 million. It is also a gemstone.[1] Feldspar is number 6 on the Mohs Hardness Scale.