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LOOSE BI-COLOR TOURMALINE   NATURAL COLOR    Hardness 7.5 

RETURN TO »»  TOURMALINE BI COLOR

Octagon Bi-color tourmaline gemstone, exclusive loose faceted tourmalines, Madagascar gemstones shopping

14.45 cts. Bi color tourmaline emerald cut Single 

 The faces of the stone are parallel, on the contrary to the picture's effect.

19 x 9 mm. 

 Slightly included.   Enhancement: none (N)

        stone PRICE      

   SOLD    

 ORIGIN: Madagascar

ref: Tbie 1445 
Hardness: 7 - 7.5
Specific Gravity: 3.0+
Refractive Index: 1.62 - 1.68   Visual Catalog
Chemical Composition: Na(Li,Al)3Al6Si6O18(BO3)3 (OH)4, Sodium Lithium Aluminum Boro-Silicate Hydroxide Tourmaline data
Crystal Structure: Trigonal    Cutting Styles
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