great company and quality gems
|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
SEDA OPAL JEWELERY
TIFFANY AND DOUBLET OPAL PENDANT
The feature of this pendant is a natural untreated stunning Tiffany opal stone well polished. This is a large doublet made from natural crystal from Coober Pedy and backed on to ironstone from Queensland to give as look of expensive black opal.
The workmanship and quality is excellent.
Weight of stones 16.20 cts app
Size of Tiffany opal 18 x 16 mm app
Lenght of pendant 44 mm app
Weight of stones and silver 50.61 cts app.
TIFFANY OPAL STONE
This is a natural untreated polished 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
|Starts||7th Feb 2013 7:48pm PST|
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