Item Information

Dimensions (mm) 25 x 20 x 9mm
Weight (carats) not provided


This is a natural untreated parcel ready for cutting or carving.

Weight of parcel 145.10 cts

Size of largest stone 25 x 20 x 9 mm app

This Black Spinel is mined   in Kanchanaburi, Thailand, where it is known in Thai language as “NIN”. There are also known deposit in Africa, Myanmar , and Sri Lanka. But the most quality is in Thailand where it is found in sapphire mining.The hardness is 8 with black onxy being 7 so it is very hardy.
Black Spinel is durable stone that lack cleavage and for its reason it is suitable for all jewelry purposes. It is most often found in round, oval, rectangular, drop, and marquee shape. But they can make in various shapes depend on the design.
Black Spinel is durable. They are stronger than some kinds of Semi precious Stone. Because of durable, they are quite difficult to chip and scratch. It can be cleaned by steam, ultrasonic cleaner, or even in warm soap water with a soft brush. Avoid the household chemicals and high temperature of heating treatment which can be damage of the stone. Similar care with the precious stone

1d 20h 15m 43s

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Pricing & Details

Bid Increment $1.00
Starting Bid $23.00
Auction ID 176174
Watchers 1 watching
Viewed 886 times
Starts 23rd May 2017 12:02am PDT
Ends 25th May 2017 12:00am PDT

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