106 - 47.40 ct BOULDER OPAL.Pioneer Auction Gallery
The Boulder opal is especially attractive because, as it has a dark body tone which adds vibrancy to the play of color. Boulder opal also has a high d
Bidding Has ConcludedSold to floor for 55.00
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118 - 25.60 ct Matrix Opal.Pioneer Auction Gallery
Matrix opal consists of thin seams or spots of precious opal in matrix. The matrix is usually dark ironstone, but occasionally a light sand stone. Als
Bidding Has ConcludedSold to floor for 65.00
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