|Dimensions (mm)||21 x 17 x 6mm|
|Weight (carats)||17 carats|
BOULDER ROUGH “QUARTZ’
This is a natural untreated rough specimen from the Quartz mine in Queensland that was mined over 30 years ago.This is opal that has formed in the biscut [sandstone] band.There will be some faults in the stone due to its age but the area is known for the amount of silica in the sandstone which will take a decent polish.you may have to leave some pit holes in the stone but it will be a rewarding experience for you.
I dont believe any more mining has been done in this area so it will make a interesting stone.
Weight 16.90 cts app
Size 21 x 17 x 6 mm app
Disappointed with the amount of cracking that appeared once I started to cut the two halves ,one side had a diagonal crack right across the stone to the clean colour bar coming up from the under side. these cracks are not the fault of the seller , I di
|Starts||29th Nov 2015 5:59pm PST|
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