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GREEN TOURMALINE         NATURAL COLOR          Hardness 7.5 

RETURN TO   GREEN TOURMALINE

  

 10.01 cts. cab.Green tourmaline single 

  13.15 x 12.20 mm.

  Very slightly included. Enhancement: none (N)

stone PRICE  

 SOLD 

ORIGIN: Madagascar

   ref:cabTgc 1001   

Hardness: 7 - 7.5
Specific Gravity: 3.0+   Visual Catalog
Refractive Index: 1.62 - 1.68 Tourmaline data
Chemical Composition: Na(Li,Al)3Al6Si6O18(BO3)3 (OH)4, Sodium Lithium Aluminum Boro-Silicate Hydroxide   Ask a question
Crystal Structure: Trigonal
                  
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