This is half of a opal thunderegg I mined at Opal Butte in the early 1990's. It is 4 x 3 1/2 x 2 inches in size and is cuttable or just a great specimen.
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Oregon Opal Specimen
This is part of a opal thunderegg I mined at Opal Butte in the early 1990's. It is 4 x 3 x 2 1/2 inches in size and there is a little facet grade opal or just a great specimen.
Sold
Oregon Opal Specimen
This is part of a opal thunderegg I mined at Opal Butte in the early 1990's. It is 3 x 2 x 2 inches in size and has great cutting or faceting grade material or just a great specimen.
Sold
Oregon Opal Specimen
This is part of a opal thunderegg I mined at Opal Butte in the early 1990's. It is 3 x 2 x 2 inches in size and has great cutting or faceting grade material or just a great specimen.
