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  WATERMEON TOURMALINE SLICE         NATURAL COLOR        Hardness 7.5

RETURN TO TOURMALINE SLICE

       

111.70 cts. Polychrome watermelon tourmaline Slice single

57.7 x 48.4 mm. Thickness: 3.7 mm.

Slightly included. Enhancement: none  (N)

stone PRICE     USD 2800.00 

ORIGIN: Madagascar

    ref: Tsl11170  

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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