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27.87 CTS TIFFANY STONES OPAL FLUORITE ROUGH PARCEL [VS6171]
- UGS
- Dimensions (mm)
- x x mm
- Poids (cts)
- Taper
- Rough
- Couleurs
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TIFFANY STONE
PARCEL
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
- UGS
- Dimensions (mm)
- x x mm
- Poids (cts)
- Taper
- Rough
- Couleurs
-
TIFFANY STONE
PARCEL
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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Positif
Excellent thank you
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Paid and shipped - no feedback left after 100 days
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Paid and shipped - no feedback left after 100 days
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Positif
Beautiful Color!!
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