Gemstone and Silver Rings with Opal and Mint Quartz
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Two large gemstone and silver rings both unmarked, opal triplet size 17.x13 mm, ring size K, weight 16.5 grams, some clouding. Checkerboard mint quartz width 14 mm, ring size N
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- Doublet and Triplet - A doublet and a triplet are both composite imitation stones, consisting of two or three joined layers. A triplet is made with the crown and base of genuine material, but with a centre layer, usually of glass, the object being to make the stone appear larger than it really is. A doublet consists of only two layers.
Opal doublets are quite common and consist of a thin layer of opal cemented to an opal matrix or black glass.
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