|Dimensions (mm)||not provided|
|Weight (carats)||24 carats|
"GONDAR" FIELD OPAL ETHIOPIA
This natural untreated specimen is from a stunning new find in the Gondar area of Ethiopia.This is a unusual specimen from this area as the potch is like lightning ridge material-n1 to n2
Always let the stone dry out slowerly-do not place under strong hot lights.
We have rubbed parts down genlty on a 600 rubber wheel so there are no visible scratch marks.
The opal is not as hard as Australian material as you can feel that it is softer when rubbing it down..There is not much history to this opal but it feels healthy.The chocolate variety has been around for app 15 years and is well known.It appears to be formed by a sedimentary process unlike the other Ethiopian opal which is from Rhylotic Nodulars and can have a lot of matrix around it.
For tips on cutting this stone go to the OPAL FORUM section on the front page-Then go to CUTTING OPAL and you will see CUTTING /STABILIZING ETHIOPIAN OPAL.
Contra luz colours
Weight 24cts app
Size 23x 17 x 12 mm app
|Starts||29th Apr 2009 9:50pm PDT|
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