4.36 CTS SRILANKAN KORNERUPINE TBM-788

Item Information

Dimensions (mm) 11.1 x 9.09 x 5.55mm
Weight (carats) 4.36 carats
Certified Gemstone
No Treatment

SRILANKAN KORNERUPINE

COLOUR YELLOWISH GREEN

CUT CUSHION MIXED

CODE 1407KRG0008

TREATMENT - NONE

Kornerupine is a rare gemstone that was first discovered in Greenland in 1887. It was named after the Danish naturalist, artist and explorer Andreas Nikolaus Kornerup (1857-1883). At one time the mineral was also known as prismatine, since the crystals form in long prisms.

Kornerupine occurs in a number of colors, including white, pink, yellow, brown, green and blue. Most crystals display a strong pleochroism usually from yellowish green to reddish brown. The emerald green and blue colors are the rarest and most valuable. Some translucent to opaque stones display ,CHATOYANCY the CATS EYE EFFECT

With a hardness rating of 6.5 to 7 on the ,MOH SCALEkornerupine is hard enough for jewelry. But since kornerupine is so rare, it is mainly a collector’s stone and is not commonly seen in jewelry. Gem-quality specimens are mainly found in small sizes, usually under 2 carats. Clean stones over 5 carats are very rare.

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Pricing & Details

Bid Increment $1.00
Starting Bid $600.00
Auction ID 674189
Watchers 7 watching
Viewed 433 times
Starts 14th Dec 2017 4:35pm PST
Ends 15th Dec 2017 4:30pm PST

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