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RUBY MINERAL                NATURAL COLOR             Hardness 9
 

 
RETURN TO »» RUBY MINERAL
Ruby, natural crystal   12 grms.  / 20.1 x 17.5 x 14 mm ( triangles on the heads )
 SOLD    ref RUmi12g
                 
Hardness: 9
Specific Gravity: 3.9 - 4.1
Refractive Index: 1.76 - 1.78 Corundum data
Chemical Composition: Al2O3, Aluminum Oxide   Ask a question
Crystal Structure: Trigonal
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Will ship Worldwide
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© 1987 - 2015  gggems.com  All rights reserved.