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PAIR POLYCHROME TOURMALINE      NATURAL COLOR       Hardness 7.5 

RETURN TO »»  PAIR POLYCHROME TOURMALINE

 

  83.21cts. pair polychromatic tourmaline 

  39.3 x 24.7 mm.

Moderately included. Enhancement: none (N)

pair PRICE  

USD 1640.00 

ORIGIN: Madagascar

  ref:SetTpo8321  
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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