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Rarities Antique Jewelry


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Jeweled Bear - Vintage Gold Plated Opal Doublet Koala Pin Brooch. This charming brooch is crafted from gold plate. The pin features one genuine opal doublet gemstone, vintage styling, and quality craftsmanship. This cute pin is made in the form of a koala bear, which is adorned with a beautiful opal, displaying an array of colors. The pin displays nice detailing, and style, with its original pin and suction cup. This vintage brooch pin would make a wonderful addition to any vintage jewelry collection. 

History: The early Greeks believed the opal bestowed powers of foresight and prophecy upon its owner, while in Arabian folklore, it is said that the stone fell from heaven in flashes of lightning. To the Romans, it was considered to be a token of hope and purity. Ancient Romans provided the first real market for opal.

Doublets · A black backing which is made of either black industrial glass, black potch (colourless opal), hard plastic, brown ironstone or sometimes vitrolite.

Luigi Brunatelli, an Italian chemist, is most widely credited for inventing electroplating. Brugnatelli published his findings on the use of Volta piles to deposit a layer of gold onto a metallic surface in 1805.


Measurements: Brooch (Pin) 54.00 mm x 9.00 mm 

Stone Size: Opal (Doublet) .27 carats 

Weight: 3.00 grams 

Condition: Excellent 

Origin: Australia 

Date: Circa 1960

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