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SET POLYCHROME TOURMALINE      NATURAL COLOR       Hardness 7.5 

RETURN TO »»  SET POLYCHROME TOURMALINE

 104.98 cts. set polychrome tourmaline

 36.2 x 23.3 & 35 x 23.6 mm.

Moderately included. Enhancement: none (N)

set PRICE  

USD 1750.00 

ORIGIN: Madagascar

   ref:SetTpo10498  

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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