145 CTS PRASE OPAL FROM TANZANIA [VS8111]

Item Information

Dimensions (mm) 40 x 40 x 25mm
Weight (carats) 145 carats
Colors
Type
  • Cabochon
PRASE OPAL
This is a natural stone mined in Haneti Tanzania.
This material comes from a mine that produces mainly chrysoprase but a small percentage is prase opal Although somewhat similar in color and appearance, chrysoprase and prase opal can easily be distinguished from one another by differences in refractive index (~1.55 vs. ~1.45) and specific gravity (~2.60 vs. ~2.11).
Note there are fractures and inclisions in the rough so it would cut smaller stones.

$85.00 USD

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Audit Information

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Pricing & Details

Auction ID 1053802
Watchers 3 watching
Viewed 982 times
Starts 12th May 2021 9:37pm PDT

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