{"product_id":"uv-reactive-hyalite-opal-with-polished-base-zacatecas-mexico-28-grams","title":"UV-Reactive Hyalite Opal with Polished Base – Zacatecas, Mexico – 28 grams","description":"\u003cp data-start=\"102\" data-end=\"410\" class=\"PDq2pG_selectionAnchorContainer\"\u003eA vivid UV-Reactive Hyalite Opal specimen from Zacatecas, Mexico, featuring translucent, glassy opal arranged in rounded botryoidal formations over contrasting dark volcanic matrix. The natural opal surface has been preserved, while the base has been cut and polished to create a stable freestanding display.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"412\" data-end=\"670\"\u003eUnder visible light, the hyalite appears colorless to softly translucent with a wet, glass-like luster. Rounded droplets and overlapping bulbous formations create a sculptural surface filled with internal textures, reflections, and subtle natural inclusions.\u003c\/p\u003e\n\u003cp data-start=\"672\" data-end=\"1063\"\u003eUnder ultraviolet illumination, the opal transforms into an exceptionally bright neon-green display. This dramatic fluorescence is characteristic of many hyalite opals from Zacatecas and is generally associated with trace uranium compounds incorporated into the opal during formation. Fluorescence may vary in color and intensity depending on the wavelength and strength of the UV lamp used.\u003c\/p\u003e\n\u003cp data-start=\"1065\" data-end=\"1359\"\u003eMeasuring approximately 1 × 1 × 1.25 inches and weighing 28 grams, this compact specimen offers remarkable visual impact. Its glassy natural formation, contrasting matrix, polished base, and intense UV response make it an excellent addition to an opal collection or fluorescent-mineral display.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1361\" data-end=\"1378\"\u003eSpecifications\u003c\/h2\u003e\n\u003cp data-start=\"1380\" data-end=\"1401\"\u003eMineral: Hyalite Opal\u003c\/p\u003e\n\u003cp data-start=\"1403\" data-end=\"1422\"\u003eMineral Group: Opal\u003c\/p\u003e\n\u003cp data-start=\"1424\" data-end=\"1451\"\u003eLocality: Zacatecas, Mexico\u003c\/p\u003e\n\u003cp data-start=\"1453\" data-end=\"1494\"\u003eWeight: 28 grams (approximately 0.06 lbs)\u003c\/p\u003e\n\u003cp data-start=\"1496\" data-end=\"1541\"\u003eDimensions: Approximately 1 × 1 × 1.25 inches\u003c\/p\u003e\n\u003cp data-start=\"1543\" data-end=\"1615\"\u003eColor in Visible Light: Colorless to translucent with subtle milky areas\u003c\/p\u003e\n\u003cp data-start=\"1617\" data-end=\"1661\"\u003eUV Response: Intense neon-green fluorescence\u003c\/p\u003e\n\u003cp data-start=\"1663\" data-end=\"1724\"\u003eCrystal Habit: Rounded botryoidal and globular opal formation\u003c\/p\u003e\n\u003cp data-start=\"1726\" data-end=\"1752\"\u003eLuster: Vitreous to glassy\u003c\/p\u003e\n\u003cp data-start=\"1754\" data-end=\"1794\"\u003eTransparency: Transparent to translucent\u003c\/p\u003e\n\u003cp data-start=\"1796\" data-end=\"1834\"\u003eComposition: Hydrated amorphous silica\u003c\/p\u003e\n\u003cp data-start=\"1836\" data-end=\"1867\"\u003eMatrix: Dark volcanic host rock\u003c\/p\u003e\n\u003cp data-start=\"1869\" data-end=\"1926\"\u003eFinish: Natural opal surface with a cut and polished base\u003c\/p\u003e\n\u003cp data-start=\"1928\" data-end=\"1968\"\u003eDisplay: Freestanding thumbnail specimen\u003c\/p\u003e\n\u003cp data-start=\"1970\" data-end=\"2064\"\u003eCondition: Natural mineral specimen with inherent inclusions, contacts, and surface variations\u003c\/p\u003e\n\u003cp data-start=\"2066\" data-end=\"2086\"\u003eExact specimen shown\u003c\/p\u003e\n\u003ch2 data-section-id=\"kl64hq\" data-start=\"2088\" data-end=\"2109\"\u003eAbout Hyalite Opal\u003c\/h2\u003e\n\u003cp data-start=\"2111\" data-end=\"2466\"\u003eHyalite is a transparent to translucent variety of common opal recognized for its exceptionally glassy appearance. Its name comes from the Greek word \u003cem data-start=\"2261\" data-end=\"2269\"\u003ehyalos\u003c\/em\u003e, meaning glass. Unlike precious opal, hyalite generally does not display play-of-color; its collector appeal comes from its clarity, rounded growth forms, glossy luster, and frequent fluorescence.\u003c\/p\u003e\n\u003cp data-start=\"2468\" data-end=\"2703\"\u003eOpal is composed of hydrated amorphous silica, commonly represented as SiO₂·nH₂O. Because it lacks the orderly internal crystal structure of crystalline quartz, opal is classified as a mineraloid rather than a true crystalline mineral.\u003c\/p\u003e\n\u003cp data-start=\"2705\" data-end=\"2958\"\u003eHyalite commonly forms as rounded droplets, crusts, and botryoidal masses where silica-rich fluids deposit opal within openings in volcanic rocks. Specimens from Zacatecas are especially prized for their brilliant green response under ultraviolet light.\u003c\/p\u003e\n\u003cp data-start=\"2960\" data-end=\"3320\"\u003eThe green fluorescence is typically attributed to trace uranyl ions incorporated during formation. This is a naturally occurring mineralogical feature and should not be interpreted as artificial coloring or treatment. As with all collectible mineral specimens, it is best handled responsibly, kept away from children and pets, and not ground, cut, or ingested.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1punl39\" data-start=\"3322\" data-end=\"3340\"\u003eCollector Notes\u003c\/h2\u003e\n\u003cp data-start=\"3342\" data-end=\"3365\"\u003eThis specimen features:\u003c\/p\u003e\n\u003cul data-start=\"3367\" data-end=\"3934\"\u003e\n\u003cli data-section-id=\"9swg61\" data-start=\"3367\" data-end=\"3412\"\u003eNatural hyalite opal from Zacatecas, Mexico\u003c\/li\u003e\n\u003cli data-section-id=\"4lr6ot\" data-start=\"3413\" data-end=\"3467\"\u003eStrong neon-green fluorescence under UV illumination\u003c\/li\u003e\n\u003cli data-section-id=\"1tv6pqp\" data-start=\"3468\" data-end=\"3522\"\u003eColorless to translucent appearance in visible light\u003c\/li\u003e\n\u003cli data-section-id=\"1x1dcn4\" data-start=\"3523\" data-end=\"3563\"\u003eRounded botryoidal and globular growth\u003c\/li\u003e\n\u003cli data-section-id=\"12bbi3e\" data-start=\"3564\" data-end=\"3598\"\u003eBright glass-like surface luster\u003c\/li\u003e\n\u003cli data-section-id=\"1f2xh8e\" data-start=\"3599\" data-end=\"3633\"\u003eContrasting dark volcanic matrix\u003c\/li\u003e\n\u003cli data-section-id=\"bgq2fe\" data-start=\"3634\" data-end=\"3666\"\u003eNatural opal surface preserved\u003c\/li\u003e\n\u003cli data-section-id=\"1hn08ao\" data-start=\"3667\" data-end=\"3722\"\u003eCut and polished base for stable freestanding display\u003c\/li\u003e\n\u003cli data-section-id=\"1btcmnu\" data-start=\"3723\" data-end=\"3775\"\u003eDramatic visible-light and UV-light transformation\u003c\/li\u003e\n\u003cli data-section-id=\"1x773xk\" data-start=\"3776\" data-end=\"3831\"\u003eCompact thumbnail size with exceptional visual impact\u003c\/li\u003e\n\u003cli data-section-id=\"xf922r\" data-start=\"3832\" data-end=\"3866\"\u003eClassic fluorescent Mexican opal\u003c\/li\u003e\n\u003cli data-section-id=\"1imxvvv\" data-start=\"3867\" data-end=\"3908\"\u003eOne-of-a-kind natural mineral formation\u003c\/li\u003e\n\u003cli data-section-id=\"1bmwm75\" data-start=\"3909\" data-end=\"3934\"\u003eExact specimen pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3936\" data-end=\"4166\"\u003ePerfect for collectors of hyalite opal, Mexican opal, fluorescent minerals, UV-reactive crystals, Zacatecas minerals, botryoidal formations, volcanic minerals, polished-base specimens, thumbnail minerals, and unusual natural opal.\u003c\/p\u003e\n\u003cp data-start=\"4168\" data-end=\"4218\"\u003eProfessionally packaged and shipped from Colorado.\u003c\/p\u003e\n\u003cp data-start=\"4220\" data-end=\"4262\"\u003eYou will receive the exact specimen shown.\u003c\/p\u003e\n\u003cp data-start=\"4264\" data-end=\"4399\"\u003eEvery order is backed by our commitment to quality and customer satisfaction. Thank you for supporting our family-owned small business.\u003c\/p\u003e","brand":"Serenity Soul Stones","offers":[{"title":"Default Title","offer_id":49730208366842,"sku":null,"price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/2328\/8826\/files\/UV-ReactiveHyaliteOpalwithPolishedBase_Zacatecas_Mexico_28grams_1.jpg?v=1784672023","url":"https:\/\/serenitysoulstones.com\/products\/uv-reactive-hyalite-opal-with-polished-base-zacatecas-mexico-28-grams","provider":"Serenity Soul Stones","version":"1.0","type":"link"}