{"product_id":"art-deco-black-onyx-marcasite-triangle-brooch-in-sterling-silver","title":"Art Deco Black Onyx \u0026 Marcasite Triangle Brooch in Sterling Silver","description":"\u003cp\u003eThis Art Deco brooch takes a bold triangular form, with black onyx inlaid directly into the sterling silver frame. The onyx has a polished finish and a rich, deep black color. Thirteen rose-cut marcasites are set across the face, their faceted surfaces addinga bit of glitter. The overall design is angular and architectural, with clean geometric lines that feel distinctly Deco. The silver has developed a darkened patina.\u003cbr\u003e\u003cb\u003eDETAILS\u003c\/b\u003e\u003cbr\u003eFace measures 40.2mm width\u003cbr\u003eSterling silver, stamped and tested, 4.28g\u003cbr\u003eInlaid black onyx with 13 rose-cut marcasites\u003cbr\u003eArt Deco \/ 1920s–30s \/ Estate\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCONDITION\u003c\/b\u003e\u003cbr\u003eThe brooch shows age-related wear consistent with its era. There is significant patina to the back of the piece. The onyx and marcasites remain intact.\u003cbr\u003e\u003cbr\u003eOur inventory features Vintage, Antique \u0026amp; Estate Jewelry. This means these treasures are pre-loved and may show signs of age-related wear. As part of our commitment to your positive experience, a professional jeweler inspects and provides a condition report on each piece along side our photos. Our jewelry team is happy to provide additional images or details on request.\u003c\/p\u003e","brand":"JMEL","offers":[{"title":"Default Title","offer_id":48037378621591,"sku":"JMEL294","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/2503\/7719\/files\/JMEL294-7.jpg?v=1784756463","url":"https:\/\/opalineestatejewelry.com\/products\/art-deco-black-onyx-marcasite-triangle-brooch-in-sterling-silver","provider":"Opaline Estate Jewelry ","version":"1.0","type":"link"}