|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
This is a parcel of specimen of natural rough specimen pieces of matrix from the Opalton opal field in Queensland.The precious opal is embedded in the boulder rock which was a former worm burrow replaced with with opal. They will cut colourful stones or kept as a specimen.
Weight of parcel 26.85 cts app
Size of largest piece 21.9 x 14 x 4.1 mm app
We have taken a picture of the rough wet.
Matrix opal is where the opal occurs as a network of veins or infilling of voids or between grains of the host rock .Matrix comprises precious opaline silica as an infilling of pore spaces in silty claystone or ironstone.
|Starts||21st Nov 2010 5:17pm PST|
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