43 cts TIFFANY ROUGH OPAL FLUORITE DT-1720

Item Information

Dimensions (mm) 51 x 15 x 5mm
Weight (carats) 43 carats
Colors

TIFFANY OPAL ROUGH

 SHADES OF PURPLE COLOUR

NICE PATTEN

PICTURE TAKEN WET TO SHOW HOW IT WILL FINISH AFTER POLISH 

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 AUSTRLISN 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’

$20.00 USD

$40.00 SAVE $20

Audit Information

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Pricing & Details

Auction ID 777624
Watchers 2 watching
Viewed 744 times
Starts 16th Apr 2019 10:36pm PDT

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