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Corundum
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#	Item
11	Mineral Commodity Summaries 2015 Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2015-02-02 15:05:07 Oxide minerals Crystallography Gemstones Garnet Nesosilicates Abrasive blasting Abrasive Corundum Emery Abrasives Manufacturing Chemistry
12	Nice Emerald Cut Chrysoberyl 8.18cts. For such a hard and durable material chrysoberyl is relatively obscure and the low prices don’t seem to reflect its utility as a gemstone. Only corundum and diamond are harder. Gra Add to Reading List Source URL: www.alexandrite.net Language: English Beryllium minerals Crystallography Chrysoberyl Mineralogy Pleochroism Vanadium Sri Lanka Balangoda Chemistry Gemstones Matter
13	Outstanding 11x8mm Chrysoberyl Pear 3.43cts Chrysoberyl is extremely hard and durable, only corundum and diamond are harder. Grade Score[removed]Color Good[removed]Cut Good[removed]Carat Medium[removed]Clarity Very good[removed]R Add to Reading List Source URL: www.alexandrite.net Language: English Beryllium minerals Crystallography Chrysoberyl Ruvuma Region Tunduru Pleochroism Pear Vanadium Chemistry Gemstones Matter
14	EDS Scan: Corundum, NMNH[removed]Corundum, NMNH[removed]Al2O3: 99.99 Add to Reading List Source URL: mineralsciences.si.edu - Date: 2014-09-17 15:58:42
15	PDF Document Add to Reading List Source URL: www.arch.dcr.state.nc.us Language: English - Date: 2007-08-09 10:46:35 Oxide minerals Dielectrics Quartz Corundum Staurolite Hornblende Zoisite Enargite Crystallography Chemistry Matter
16	Name: __________________________ Add to Reading List Source URL: www.ncnr.nist.gov Language: English - Date: 2009-09-15 15:46:49 Oxide minerals Mineralogy Gemstones Transparent materials Ruby Alum Sapphire Corundum Crystal Chemistry Matter Superhard materials
17	Example Using the Clausius-Clapeyron Equation Dexter Perkins Consider the reaction between grossular, corundum, anorthite and gehlenite: Gr + Co = An + Ge Boettcher[removed]determined that this reaction takes place betwee Add to Reading List Source URL: d32ogoqmya1dw8.cloudfront.net Language: English - Date: 2013-11-21 13:24:38 Atmospheric thermodynamics Rudolf Clausius Clausius–Clapeyron relation Thermodynamic entropy Benoît Paul Émile Clapeyron State functions KBAR Entropy Thermodynamics Physics Chemistry
18	Light-Colored Nonmetallic Minerals Hard Minerals Cleavage excellent or good Add to Reading List Source URL: www.arch.dcr.state.nc.us Language: English - Date: 2007-08-09 10:46:34 Gemstones Nesosilicates Carbonate minerals Sillimanite Kyanite Quartz Corundum Hanksite Zoisite Crystallography Chemistry Natural resources
19	60 GARNET (INDUSTRIAL)1 (Data in metric tons of garnet unless otherwise noted) Domestic Production and Use: Garnet for industrial use was mined in 2010 by four firms—one in Idaho, one in Montana, and two in New York. Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2011-01-24 15:13:55 Manufacturing Oxide minerals Gemstones Garnet Nesosilicates Abrasive blasting Abrasive Emery Corundum Chemistry Abrasives Matter
20	60 GARNET (INDUSTRIAL)1 (Data in metric tons of garnet unless otherwise noted) Domestic Production and Use: Garnet for industrial use was mined in 2013 by four firms—one in Idaho, one in Montana, and two in New York. Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2014-03-07 15:09:47 Crystallography Oxide minerals Gemstones Garnet Nesosilicates Corundum Emery Abrasives Manufacturing Chemistry

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