{"product_id":"1-80ct-etw-earth-mined-hyalite-opal-pear-cut-uv-reactive-unheated","title":"1.80ct ETW Earth-Mined Hyalite Opal – Pear Cut, UV Reactive, Unheated","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e1.80ct ETW Earth-Mined Hyalite Opal – Pear Cut, UV Reactive, Unheated\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis fascinating 1.80-carat earth-mined Mexican hyalite opal features a crystal-clear appearance with a remarkable white-to-green color response under ultraviolet light. Its elegant pear cut and unusual optical properties make it an intriguing choice for gemstone collectors and custom jewelry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSpecifications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eGemstone:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Hyalite Opal\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCarat Weight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1.80ct ETW\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCut:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pear Cut\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 11.1 x 7.5 x 4.8 mm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eClarity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Slightly Included\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eTreatment:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Unheated\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOrigin:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Mexico\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eOptical Phenomenon:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Green Fluorescence Under UV Light\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCondition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e New\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eEarth-mined Mexican hyalite opal weighing 1.80ct ETW in a pear cut, featuring slightly included clarity, unheated character, and green UV fluorescence.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHyalite opal is a transparent variety of common opal appreciated for its glass-like appearance and unusual fluorescence. Under normal lighting, it appears nearly colorless, while ultraviolet exposure reveals a distinctive green glow.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis fascinating optical effect is commonly associated with trace amounts of uranium within the mineral structure, making hyalite particularly interesting to mineral enthusiasts and collectors of fluorescent gemstones.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMexico is a recognized source of natural hyalite opal, producing specimens valued for their transparency and UV-reactive properties.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt 1.80 carats and measuring 11.1 x 7.5 x 4.8 mm, this gemstone features attractive proportions for a custom pendant or collector's display. Its pear shape provides an elegant presentation that highlights its transparency and optical characteristics.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOpal has a Mohs hardness of approximately 5.5 to 6.5, making it more susceptible to scratching and impacts than many traditional jewelry gemstones. Gentle handling and protective settings are recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis individual Mexican hyalite opal combines natural transparency, distinctive green UV fluorescence, and elegant pear-cut styling in a fascinating collectible gemstone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(Stock Code: ABMM)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKeywords: loose gemstone, earth-mined hyalite opal, Mexican hyalite opal, Mexico gemstone, UV reactive opal, fluorescent opal, green fluorescent gemstone, pear cut opal, unheated hyalite, slightly included opal, 1.80ct opal, natural hyalite, transparent opal, UV glowing gemstone, collector gemstone\u003c\/span\u003e\u003c\/p\u003e","brand":"West Coast Gemstones","offers":[{"title":"Default Title","offer_id":68595079250201,"sku":null,"price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9196\/9305\/files\/1.80ctETWEarth-MinedHyaliteOpal_PearCut_UVReactive_Unheated.webp?v=1794239306","url":"https:\/\/westcoastgemstones.com\/products\/1-80ct-etw-earth-mined-hyalite-opal-pear-cut-uv-reactive-unheated","provider":"West Coast","version":"1.0","type":"link"}