{"product_id":"auction-win-ee52ece6-9d46-4db1-9029-c265f415320b","title":"Auction Win: Alexandrite 1.47ct (natural!)","description":"\u003cp\u003e\u003cstrong\u003eLocality:\u003c\/strong\u003e Antônio Dias, Minas Gerais, Brazil\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e Gemstone - 10.1 × 6.7 × 2.9 mm\u003c\/p\u003e\n\u003cp\u003eNatural alexandrite is a chrysoberyl variety composed of beryllium aluminum oxide. Its remarkable color change appears green in daylight but red under incandescent light. This rare gemstone is prized for its strong dichroism and exceptional hardness of 8.5.\u003cbr\u003e\u003cbr\u003eAntônio Dias, in Minas Gerais, Brazil, is renowned for the Itaitinga mine near Hematita, located about 35 kilometers east of Itabira. Discovered in 1987, the locality is known for the world’s largest alexandrite deposit, with gem mining historically producing approximately 250 carats of alexandrite per month. The area has also yielded emerald, aquamarine, and chrysoberyl, making Antônio Dias an important Brazilian source for collectors of exceptional color-change and beryl specimens.\u003c\/p\u003e","brand":"Crystal Castle","offers":[{"title":"Default Title","offer_id":50111719506075,"sku":null,"price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0336\/3012\/6217\/files\/86d6bf12-b9a8-4a4c-8421-00cbcf6c417c.jpg?v=1794175761","url":"https:\/\/www.overtonfamilyjewels.com\/products\/auction-win-ee52ece6-9d46-4db1-9029-c265f415320b","provider":"OFJ's Crystal Castle","version":"1.0","type":"link"}