{"product_id":"3-trancas-chihuahua-fluorescent-geode-from-mexico","title":"Uncracked Trancas Chihuahua Fluorescent Geode from Mexico (#1650)","description":"\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eApproximate Size: 3 inches\u003c\/h3\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eDiscover What's Hidden Inside\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eAn authentic uncracked Trancas Chihuahua Geode from Mexico gives you the chance to break it open yourself and see what is waiting inside. Unlike pre opened geodes, this one keeps its surprise intact until you crack it.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eTrancas geodes are known for their drusy quartz centers, sometimes joined by chalcedony, calcite, aragonite, or the occasional quartz scepter. Many specimens also contain trace amounts of uranium, which causes them to fluoresce a bright green under short wave UV light, a trait that sets Trancas geodes apart from other localities. No two geodes are alike, so opening one is always a bit of a gamble.\u003c\/p\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eWhat You'll Receive\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eYou will receive ONE authentic, uncracked Trancas Chihuahua Geode from Mexico, approximately 3 inches in diameter. Each geode is selected at random and remains fully unopened so you can discover the crystal interior yourself.\u003c\/p\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSize: Approximately 3 inches\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWeight: Varies naturally\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eOrigin: Trancas, Chihuahua, Mexico\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCondition: Natural, uncracked geode\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eNatural: Yes\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFluorescence: Many specimens glow green under short wave UV light\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eAbout This Mineral\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eTrancas geodes formed inside volcanic rock as mineral rich groundwater slowly deposited layers of silica into hollow cavities. Trace amounts of uranium settled into the crystal structure along the way, which is why many Trancas geodes fluoresce green when exposed to short wave ultraviolet light.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eCollectors like these geodes because the outcome is never predictable. Some contain sparkling white drusy quartz, others reveal chalcedony, calcite, aragonite, or a quartz scepter. That unpredictability, paired with the chance of a UV reaction, is part of what makes them a favorite with collectors, educators, and families. At 3 inches, this size offers a larger interior cavity than the smaller specimens typically found.\u003c\/p\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eWhy Collect This Specimen?\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eAn unopened Trancas Chihuahua geode works well for a first mineral purchase, as an entry point into fluorescent mineral collecting, or as an addition to a more established collection. It offers something educational as well as the fun of not knowing what you will find.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThese geodes are good for:\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMineral and crystal collections\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFluorescent mineral and black light displays\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eEarth science education\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eRock and mineral clubs\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eGifts for collectors\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSTEM learning activities\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFamily geology projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eCare \u0026amp; Safety Information\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eBreaking open a geode is part of the experience. Wear ANSI rated safety glasses or other approved eye protection when opening one. Use a geode cracker, rock hammer, or chisel, and follow standard safety precautions. Adult supervision is recommended for children. A short wave UV light is required to see the fluorescent effect, and normal sunlight will not reveal it.\u003c\/p\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eNatural Variation\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eEvery Trancas Chihuahua geode is completely natural, so size, weight, exterior shape, color, crystal habit, mineral content, cavity size, and interior formations will all vary. While drusy quartz is common and many geodes fluoresce under short wave UV, what any single unopened geode contains, and how strongly it reacts to UV light, cannot be predicted or guaranteed.\u003c\/p\u003e","brand":"Prospectors Crystals, Rocks \u0026 Gift Shop","offers":[{"title":"Default Title","offer_id":43687824457846,"sku":"1650","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/2860\/8118\/files\/IMG_6098_7e9fc7af-bd1b-4491-a534-e1dbce68c161.jpg?v=1782841756","url":"https:\/\/prospectorsrocks.com\/products\/3-trancas-chihuahua-fluorescent-geode-from-mexico","provider":"Prospectors Crystals, Rocks \u0026 Gift Shop","version":"1.0","type":"link"}