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This is  a parcel of natural untreated rough specimens 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.As far as i can find out the name is not registered but it seems to have been accepted in the trade as the "Tiffany stone'

Also known as ice cream opal

Stunning patterns.

Weight of parcel 27.87 cts app

Size of largest  27 x 17 x 6 mm app

We have taken the picture with the stone wet-this gives you a idea of how it looks when its polished

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$18 socal777
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Audit Information

The Opal Sheriff program allows our members to request an audit on any auction, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.

Pricing & Details

Bid Increment $1
Starting Bid $18
Auction ID 344196
Watchers 3 watching
Viewed 1,927 times
Starts 13th Oct 2020 6:50pm PDT
Ends 17th Oct 2020 6:34pm PDT

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About Volcanicopals

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