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RUBY MINERAL                NATURAL COLOR             Hardness 9
 

 
RETURN TO »» RUBY MINERAL
 

Ruby, natural tabular crystal 14 grms.  

24.8 x 21.3 x 10.4 mm  ( triangles on the heads )   ( Deep red ) glossy
USD 110 .00     ref RUmita14g
 

 
                 
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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