12.4 CTS OPAL FLUORITE ROUGH 'TIFFANY STONE-DT-3074-dreamtimeopals

Item Information

Dimensions (mm) 20.4 x 9.3 x 7.9mm
Weight (carats) 12.4 carats

TIFFANY STONE

This is a natural untreated rough specimen of opal flourite from Utah Usa.This material comes from a beryllium mine and it is becoming hard to mine in quantity.Tiffany Stone is composed of various minerals such as bertrandite , beryl, calcite, chalcedony, cobalt, dolomite, fluorite, manganese oxide, rhodonite, quartz, zinc and white opal potch. The purple color that characterizes Tiffany Stone was created by fluorine gases, while the stricking black-colored veins were caused by manganese oxide; all of which were sealed within the sedimentary layers, becoming opalized over time. Tiffany Stone does not display any opalescence or colour play that is common in Australian opal.This material will flourense a bright green under short wave ultra violet light.It is best to use a mask when cutting this material.

Also known as ice cream opal

Stunning patterns.

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Pricing & Details

Bid Increment $1
Starting Bid $1
Auction ID 1054717
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Viewed 167 times
Starts 11th Jun 2021 10:05pm PDT
Ends 11th Jun 2021 10:38pm PDT

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