Vintage Opal Floral Brooch in 10ct Gold

A vintage 10ct gold opal brooch; floral motif set with an 8.5 x…
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A vintage 10ct gold opal brooch; floral motif set with an 8.5 x 14.5 mm oval opal doublet adjacent to a Florentine engraved leaf tied at the base with a ribbon, size 55 x 20 mm, wt. 3.97g.

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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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