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RUBY MINERAL                NATURAL COLOR             Hardness 9
 

 
RETURN TO »» RUBY MINERAL
 

Ruby, natural tabular crystal 30  grms.  / 36.3 x 29.5 mm               ( Deep red )
USD 205.00 

ref RUmit30g

                 
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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