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LOOSE BI-COLOR TOURMALINE   NATURAL COLOR    Hardness 7.5 

RETURN TO »»  TOURMALINE BI COLOR

  Trillion Bi-color tourmaline gemstone, exclusive loose faceted tourmalines, Madagascar gemstones shopping

 4.46 cts. Bi-color tourmaline pear Single 

 10.6 x 9 mm. (S.u.g.f. cut)

  Loupe clean.  Enhancement: none (N)

stone PRICE  

USD 456.00

ORIGIN: Madagascar

  ref: Tbid 446   
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    Cutting Styles
Crystal Structure: Trigonal   Ask a question
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