{"product_id":"yooperlite-skull-ref-0391","title":"Yooperlite Skull Ref: 0391","description":"\u003cp\u003eYooperlites are ordinary-looking gray rocks from Michigan's Upper Peninsula that glow a bright neon orange and yellow under ultraviolet (UV) light. Discovered in 2017 by rockhound Erik Rintamaki, they are scientifically classified as syenite clasts containing fluorescent sodalite.\u003c\/p\u003e\n\u003ch2\u003eWhat Are Yooperlites?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAppearance:\u003c\/strong\u003e They look like boring gray pebbles in daylight, but explode with fiery embers under UV light.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Glaciers carried these rocks south from Ontario, Canada, into Lake Superior during the Ice Age.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eName:\u003c\/strong\u003e Named after \"Yoopers,\" the residents of Michigan's Upper Peninsula.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow to Find Them\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime:\u003c\/strong\u003e Search at night or during total darkness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear:\u003c\/strong\u003e Use a filtered 365nm UV\/blacklight flashlight, a regular headlamp for safety, and a mesh bag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocation:\u003c\/strong\u003e Look along the rocky beaches of Lake Superior, especially in Michigan's Upper Peninsula.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRef: 0391 (For my use only)\u003c\/p\u003e","brand":"KiwiRocks And Gems From Kiwi Country","offers":[{"title":"Default Title","offer_id":48849636327616,"sku":"0391","price":60.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/6003\/4240\/files\/P_20260820_180434.jpg?v=1787212199","url":"https:\/\/www.kiwirocksandgems.com\/products\/yooperlite-skull-ref-0391","provider":"KiwiRocks And Gems From Kiwi Country","version":"1.0","type":"link"}