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 TOURMALINE  CRYSTAL   NATURAL COLOR     Hardness 7.5  

RETURN TO »» TOURMALINE CRYSTAL

  

 43.15 cts.  Liddicoatite tourmaline crystal Single 

19.5  x 17.6 x 15.4 mm.

Hexagonal type.   Enhancement: none (N)

stone PRICE  

USD  160.00 

ORIGIN: Madagascar

ref:Tr4315 

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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