A large opal and white gold bar brooch unmarked. Approx 1@ oval…
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A large opal and white gold bar brooch unmarked. Approx 1@ oval cut cabochon 18.9 mm x 14 mm x 5.8 mm semi black with strong purple, red blue and flashes of yellow green oranges. total brooch weight 5.2 grams

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  • Cabochon Cut in Jewellery - A cabochon cut is a type of gemstone cutting where the stone is cut and polished in a convex shape with a flat bottom and a domed top, with no facets. This type of cut is typically used for opaque or translucent stones that have natural patterns or inclusions that are best displayed in this type of cut. Examples of stones that are often cut as cabochons include turquoise, opal, and moonstone.

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