CERT PARCEL NATURAL TOURMALINE GEMSTONES 11.88 CTS 0410

Item Information

Dimensions (mm) 10 x 8 x 5mm
Weight (carats) not provided
Colors
Certified Gemstone

PARCEL OF NATURAL PRECIOUS TOURMALINE GEMSTONES.

ORIGIN: PAKISTAN

CLARITY: SI1-SI2

GEM SIZE: LARGEST- 10 X 8 X 5  MM

SHAPE:  MIX CUT- ROUND, SQUARE, PEAR, OCTAGON

TREATMENT: NONE, THIS GEM IS NATURAL

 

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IN THIS AUCTION YOU WILL ALSO RECIEVE:

THE CERTIFICATE OF AUTHENTICATION OF THE GEMSTONE AND ALSO

A COPY OF THE GEMOLOGISTS' CREDITATION FROM THE GEMOLOGICAL INSTITUTE OF AMERICA

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GEMOLOGIST INFORMATION:

COMPANY GEMMOLIGIST HAS CERTIFIED THIS TOURMALINE GEMSTONE AND CERTIFICATE INCLUDED WITH THIS GEMSTONE

AS NATURAL STONE ONLY, NO TREATMENTS.

MANSOOR RAHMAN GRADUATED FROM GEMOLOGICAL INSTITUTE OF AMERICA IN 1979

AND HAS WEALTH KNOWLEDGE ABOUT GEMSTONES AND ACTS AS CONSULTANT TO STARS AND GEMS

 

Tourmaline Gemology

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
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.

 

 

 

4d 2h 55m 53s

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Pricing & Details

Bid Increment $1.00
Starting Bid $119.00
Auction ID 161791
Watchers 6 watching
Viewed 978 times
Starts 7th Dec 2016 7:02pm PST
Ends 12th Dec 2016 7:00pm PST

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