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  SET TOURMALINE SLICE          NATURAL COLOR            Hardness 7.5

RETURN TO »» Set tourmaline slice

   

 111.28 cts.  Set polychrome tourmaline  Slice

 28.5 x 22.8 mm. Thickness : 2.1 mm. 

Slightly included. Enhancement: none (N)

Set PRICE (8 pcs.)    

 SOLD

ORIGIN: Madagascar

  ref: Tsl SET11128 

All of our tourmalines slices are polished on both sides.

Hardness: 7 - 7.5

Growth zoning in a tourmaline crystal.

Specific Gravity: 3.0+
Refractive Index: 1.62 - 1.68
Chemical Composition: Na(Li,Al)3Al6Si6O18(BO3)3 (OH)4, Sodium Lithium Aluminum Boro-Silicate Hydroxide
Crystal Structure: Trigonal

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