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  TOURMALINE  CRYSTAL   NATURAL COLOR     Hardness 7.5  

RETURN TO TOURMALINE CRYSTAL

  

54 grms. Tourmaline crystal Single 

 43.1 x 29.6 x 24.6 mm. (White head-red body, rare)

  Enhancement: none (N) (Heavily included)

stone PRICE  

USD 385.00 

ORIGIN: Madagascar

ref:Tr54gr 

Hardness: 7 - 7.5
Specific Gravity: 3.0+
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   Gem-O-Scope
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