“14.4 x 11.9 x 7.2 cm. A large cabinet specimen of nearly solid pink opal, with curving patterns. Just a very unusual piece, and a big one - I had only previously seen this material in carved lapidary specimens but here is a good sized native chunk of it. Very unusual and with good carving potential in some of its thicker regions.
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Robert Lavinsky - 27th May 2010