16.7 CTS OPAL FLUORITE ROUGH 'TIFFANY STONE-DT-3081

Gegenstand Information

Abmessungen (mm) 26 x 12 x 6.5mm
Gewicht (Karat) 16.7 Karat
Farben
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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.

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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Preise & Details

Auktions-ID 899165
Beobachter 1 beobachten
Gesehen 364 mal
Startet 11th Jun 2020 7:15pm PDT

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