1.5CTS CERTIFIED DIAPSORE FACETED TURKEY RARE MINERAL TBM-1392

Item Information

Dimensions (mm) 8.03 x 6 x 4.2mm
Weight (carats) 1.5 carats
Colors
Certified Gemstone
No Treatment

CERTIFIED DIAPSORE FACETED 

RARE MINERAL

ORIGIN TURKEY 

TREATMENT-NONE

COLOUR : GREEN 

SAHPE : OVAL MIXED

Zultanite is a trademark for a gem variety of the mineral diaspore, mined in the İlbir Mountains of southwest Turkey at an elevation of over 4,000 feet. Depending on its light source, zultanite’s color varies between a yellowish green, light gold, and purplish pink. Its gemological name is diaspore, and it is hydrated aluminum oxide colored by manganese. It was first faceted as a gemstone in the 1980s, but was not commercialy mined until recently.Diaspore has reasonably good gemstone characteristics. It has a hardness of 6.5 to 7 on the Mohs scale, comparable to peridot and tanzanite. It has a refractive index of 1.702 to 1.750, which lies between that of tanzanite and spinel. Diaspore has perfect cleavage in one direction, making it a challenge to cut.

This is a expensive stone so these specimens are included so we have included a picture close to a bright light.

$250.00 USD

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Pricing & Details

Auction ID 711295
Watchers 1 watching
Viewed 1,132 times
Starts 14th Nov 2017 9:38pm PST

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