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Neptune Topaz Silver Necklace
Item Number: 1343IB
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Details
Necklace
Name Neptune Topaz Silver Necklace Measurements Necklace - 15x8 mm Chain 45 cm with 50 mm extension Brand Gems Quantity Gemstones 1 Carat Weight Sum 1,873 ct Precious Metal Sterling Silver Alloy 925 Sterling Silver Metal Weight 2,04 g Design Solitaire Colour multicolour First Gemstone
Gemstone Topaz Variety Neptune Topaz Cut Faceted Cut detailed Round Cut Carat Weight 1,873 ct Size 8 mm Quantity 1 Setting Prong Origin Brazil -
Treatment and Care
Neptune Topaz
Treatment Heating, irradiation and PVD-coating (PVD process): US Patent Number 5,853,826 for Asotic Coating Technologies Inc) explanation Generally used to improve/strengthen the colour or to create unique colours. The physical coating with steam is an oxide treatment that uses optical interference to produce a variety of colours thanks to the application of a bonded layer of fine titanium atoms. Care Instructions Some stones fade or revert to their original colour when exposed to strong light; gemstones are not unnecessarily exposed to these conditions; coated or surface-treated gemstones cannot be resharpened and polished Steam Cleaning No Ultrasonic Cleaning No - Item categories