KYANTIE CAB FROM BRAZIL 16.7 CTS [ST3885 ]

Item Information

Dimensions (mm) not provided
Weight (carats) not provided
Colors
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KYANITE -BRAZIL
This is a natural stone from brazil that has been stabilized-It is well polished and ready for setting.
Weigth 16.7 cts
Size 18x 13x6.9 mm
There is a glossy finish  on this stone which reflets the lights we use.
Kyanite is a polymorph with two other minerals; andalusite and sillimanite. A polymorph is a mineral that shares the same chemistry but a different crystal structure with another, or other, minerals. Kyanite is an attractive mineral that has a near sapphire like blue color in some especially nice specimens. Kyanite has a unique characteristic in that it has a wide variation in hardness, in the same crystal. The hardness of kyanite is approximately 4.5 when scratched parallel to the long axis of the crystal and approximately 6.5 when scratched perpendicular to or across the long axis. Other minerals usually have variable hardness on different crystal faces due to a different concentration and oreintation of the atoms in the structure

1d 16h 33s

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Pricing & Details

Bid Increment $1.00
Starting Bid $11.00
Auction ID 113720
Watchers 5 watching
Viewed 563 times
Starts 3rd Dec 2016 12:02am PST
Ends 8th Dec 2016 12:00am PST

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