Nice GREEN TOURMALINE 6.37 CTS emerald cut shape

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LOOSE GREEN TOURMALINE NATURAL COLOR Hardness 7.5

6.38 carats green tourmaline gemstone, exclusive loose faceted tourmalines, Madagascar gemstones shopping

6.37 cts. Green tourmaline faceted emerald cut Single

16.8 x 7.4 mm.

Almost eye clean. Tone scale: medium. Enhancement: none (N)

stone PRICE USD 1274.00

ref:Tge637 ORIGIN: Madagascar



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Tourmaline Discovery

Hardness:	7 - 7.5
Specific Gravity:	3.0+	Visual Catalog Ask a question Tourmaline data
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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