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SAPPHIRE MINERAL                NATURAL COLOR             Hardness 9
 

 
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 330 gr. Nice blue-violet Sapphire crystal on limestone matrix single. 86 x 70 mm. 

Single crystal: 29.5 x 23 mm. Enhancement: none (N) 

ORIGIN: Maromby, Madagascar  

  SOLD   ref: SAbr330g 

                 
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 Andranondambo
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