{"product_id":"fluorescent-calcite-specimen-with-quartz-crystals-from-kosovo-4w87","title":"Fluorescent Calcite with Clear Quartz Crystals \u0026 Pyrite from Trepca Mine, Kosovo","description":"\u003cp class=\"\"\u003eThis is a beautiful, natural crystal cluster with high-Mn calcite, lustrous clear quartz crystals, and minor pyrite. From the famous Trepça Mine complex in the Trepça Valley in Kosovo.\u003c\/p\u003e\n\u003cp class=\"\"\u003eSize: 87 x 85 x 60 mm. 258 grams.\u003c\/p\u003e\n\u003cp class=\"\"\u003eThis piece glows beautiful mangano calcite red-orange under long wave ultraviolet light with a wavelength of 365 nanometers.\u003c\/p\u003e\n\u003cp class=\"\"\u003ePLEASE NOTE: A 390 nm light or a black light may not make this rock glow. A 365 nm long wave ultraviolet light was used in the fluorescent photos.\u003c\/p\u003e\n\u003cp class=\"\"\u003eThe history of the Trepça Mines traces back the Middle Ages. Modern operations began with the establishment of Trepca Mining and Metallurgical Complex in the 1920s.\u003c\/p\u003e\n\u003cp class=\"\"\u003eAfter World War II, the communist government nationalized all privately-held companies in Yugoslavia, including Trepca, and turned them into state-owned enterprisers.\u003c\/p\u003e\n\u003cp class=\"\"\u003eThe mine effectively went out of production as a result of the 1999 Kosovo war with Serbia. Kosovo declared its independence from Serbia in 2008, but the future of the Trepča mining complex remained uncertain throughout most of the 2000s and it fell into a state of disrepair.\u003c\/p\u003e\n\u003cp class=\"\"\u003eThe huge mining complex was put under government control in 2016 to save it from bankruptcy, and mining operations continue today.\u003c\/p\u003e\n\u003cp class=\"\"\u003eOur supplier obtains the pieces directly from the operating mines.\u003c\/p\u003e","brand":"OLD EARTH MINERALS","offers":[{"title":"Default Title","offer_id":40759208968321,"sku":"1558425","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/9433\/1777\/files\/7DEDC0AB-8124-48A5-90EA-954CD2EF6AB1.jpg?v=1779637785","url":"https:\/\/oldearthminerals.com\/products\/fluorescent-calcite-specimen-with-quartz-crystals-from-kosovo-4w87","provider":"OLD EARTH MINERALS","version":"1.0","type":"link"}