67.35 CTS TIFFANY OPAL ROUGH [F4347]

Item Information

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

QUALITY ROUGH

TIFFANY ROUGH

Also called  Opalized Fluorite, Opal Fluorite, Bertrandite, Ice Cream Opalite, Purple Opal.

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.

Stunning patterns.

Weight 67.35 cts app

Size 41 x 33 x 7 mm app


We have taken the photo of the stone wet.

 

$48.00 USD

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Pricing & Details

Auction ID 385978
Watchers 7 watching
Viewed 1,615 times
Starts 18th Oct 2013 10:01pm PDT

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