48.95 CTS OPAL FLUORITE 'TIFFANY STONE' [MGW273]

Item Information

Dimensions (mm) not provided
Weight (carats) not provided
Colors

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.

Weight 48.95 cts app

Size 52 x 21 x 6 mm app

We have taken the photo of the stone wet so it will give you a idea of how it looks when polished

4d 6h 7m 23s

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Pricing & Details

Bid Increment $1.00
Starting Bid $18.00
Auction ID 257468
Watchers 3 watching
Viewed 707 times
Starts 9th Dec 2016 8:37pm PST
Ends 14th Dec 2016 8:35pm PST

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