2.76 CTS FACETED TOURMALINE GEMSTONE 11 638

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Item Information

Dimensions (mm) not provided
Weight (carats) not provided
Colors
Certified Gemstone

NATURAL TOURMALINE GEMSTONE

ORIGIN: PAKISTAN

CLARITY: HAIR INCLUSION

GEM SIZE: 9X8X5  MM

SHAPE:  FACETED OVAL CUT

TREATMENT: NONE, NATURAL

PIECES:  1 PC

 

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TOURMALINE GEMOLOGY INFORMATION:

 

Color: Colorless, pink, brown, red, yellow, green, blue, black, violet, multi-colored

Moh's Hardness: 7-7 1/2

Specific Gravity: 2.82-3.32 Moh's Hardness: 7-7 1/2
Refractive Index: 1.614-1.666
Double Refraction: -0.014 to -0.032
Fluorescence: Weak or none
Cleavage: Indistinct
Fracture: Uneven, small conchoidal, brittle
Crystal System: Trigonal. Long crystals with triangular cross section and round sides.

$69.00 USD

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Pricing & Details

Auction ID 304151
Watchers 2 watching
Viewed 1,621 times
Starts 24th Oct 2012 10:34pm PDT

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