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This Image/s is of the gem on auction and is photographed under magnification to assist the buyer in examining the product, but should not be used as a size reference. As computers display colors differently, the color of the actual item may vary slightly from the image/s
This is the photo of the actual gems on auction: The parcel lot and 10 gems from this lot
The gems on auction is bought in a lot of 180cts all with similar clarity, size and colour grading
We follow BOB guidelines that were drawn up by the Gemological Society of SA for listing gems. These guidelines can be viewed by clicking here | |||
DESCRIPTION | |||
Product type = Natural Mined Tanzanite | Origin = Tanzania | ||
Approx weight per gem = 0.063cts | Hardness = 9 | ||
Shape / cut = Round | Specific gravity = 2.3 - 3.4 | ||
Colour = violetish BLUE | Refractive index = 1.69 - 1.70 | ||
Size = 2.35mm - 2.6mm | Chemical Composition = Ca2al3si3o12oh | ||
Clarity (GIA) = VVS | Crystal structure = Orthorhombic | ||
Quantity = 10 pieces from this lot is available on this auction, bidding is per gem and gems will be selected randomly |
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