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NATURAL GREEN TOURMALINE    NATURAL COLOR     Hardness 7.5 
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RETURN TO »» TOURMALINE GREEN
 Oval green tourmaline gemstone, exclusive loose faceted tourmalines, Madagascar gemstones shopping

1.96 cts. Green tourmaline oval cut Single 

9.7 x 7 mm. Depth: 4.2 mm.  Tone: medium

Slightly included. Enhancement: none (N) Untreated

stone PRICE  

USD 198.00 

ORIGIN: Afghanistan 

   ref:Tgo196    
 
   
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Hardness: 7 - 7.5
Specific Gravity: 3.0+    Visual Catalog

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Tourmaline data

Refractive Index: 1.62 - 1.68
Chemical Composition: Na(Li,Al)3Al6Si6O18(BO3)3 (OH)4, Sodium Lithium Aluminum Boro-Silicate Hydroxide
Crystal Structure: Trigonal
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