{"product_id":"double-terminated-mangano-calcite-with-pyrite-uv-huanzala-mine-peru-15-grams","title":"Double-Terminated Mangano Calcite with Pyrite UV – Huanzala Mine, Peru – 15 Grams","description":"\u003cp data-start=\"106\" data-end=\"442\" class=\"PDq2pG_selectionAnchorContainer\"\u003eA striking Double-Terminated Mangano Calcite with Pyrite specimen from the renowned Huanzala Mine in Ancash, Peru. Despite its compact size, the specimen offers exceptional visual impact through the contrast of a substantial translucent calcite crystal, bright metallic pyrite, sparkling pale matrix, and vivid ultraviolet fluorescence.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"444\" data-end=\"737\"\u003eThe primary calcite crystal displays a blocky, elongated form with naturally developed termination faces visible at both ends. Under ordinary lighting, it appears colorless to softly cream with translucent areas, internal growth structures, subtle zoning, and naturally textured crystal faces.\u003c\/p\u003e\n\u003cp data-start=\"739\" data-end=\"1112\"\u003eSeveral sharply defined pyrite crystals emerge from the surrounding matrix and occur against the calcite itself. Their bright brassy-gold metallic luster creates dramatic contrast against the pale calcite and finely crystallized matrix. Smaller metallic crystals are visible from several viewing angles, making the reverse nearly as interesting as the primary display face.\u003c\/p\u003e\n\u003cp data-start=\"1114\" data-end=\"1503\"\u003eUnder ultraviolet illumination, the manganese-bearing calcite transforms into an intense fluorescent coral-pink to red-orange. The crystal’s internal zoning and termination geometry become especially visible under UV, while the pyrite remains dark and metallic against the glowing calcite. Fluorescence can vary according to the wavelength, strength, and color balance of the UV lamp used.\u003c\/p\u003e\n\u003cp data-start=\"1505\" data-end=\"1953\"\u003eThe Huanzala Mine is internationally recognized for highly collectible pyrite, fluorite, calcite, sphalerite, and complex mineral associations. Manganese-bearing calcite from Peru is documented for its strong pink fluorescence, making this specimen an attractive combination of classic locality material and dramatic UV response.\u003c\/p\u003e\n\u003cp data-start=\"1955\" data-end=\"2192\"\u003eMeasuring approximately 1 × 1 × 0.5 inches and weighing 15 grams, this mounted thumbnail specimen combines strong crystallography, vivid fluorescence, metallic contrast, and prestigious locality provenance in a highly displayable format.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"2194\" data-end=\"2211\"\u003eSpecifications\u003c\/h2\u003e\n\u003cp data-start=\"2213\" data-end=\"2260\"\u003eMinerals: Manganese-Bearing Calcite with Pyrite\u003c\/p\u003e\n\u003cp data-start=\"2262\" data-end=\"2301\"\u003eTrade Name: Mangano Calcite with Pyrite\u003c\/p\u003e\n\u003cp data-start=\"2303\" data-end=\"2390\"\u003eLocality: Huanzala Mine, Huanzala, Huallanca District, Bolognesi Province, Ancash, Peru\u003c\/p\u003e\n\u003cp data-start=\"2392\" data-end=\"2408\"\u003eWeight: 15 grams\u003c\/p\u003e\n\u003cp data-start=\"2410\" data-end=\"2454\"\u003eDimensions: Approximately 1 × 1 × 0.5 inches\u003c\/p\u003e\n\u003cp data-start=\"2456\" data-end=\"2543\"\u003ePrimary Formation: Blocky calcite crystal with termination faces developed at both ends\u003c\/p\u003e\n\u003cp data-start=\"2545\" data-end=\"2636\"\u003eColor Under White Light: Colorless, translucent white, pale cream, and metallic brassy gold\u003c\/p\u003e\n\u003cp data-start=\"2638\" data-end=\"2715\"\u003eFluorescence: Intense coral-pink to red-orange under ultraviolet illumination\u003c\/p\u003e\n\u003cp data-start=\"2717\" data-end=\"2845\"\u003eUV Disclosure: Fluorescent color and intensity may vary with UV wavelength, lamp strength, ambient lighting, and camera settings\u003c\/p\u003e\n\u003cp data-start=\"2847\" data-end=\"2898\"\u003eAssociated Mineral: Bright metallic pyrite crystals\u003c\/p\u003e\n\u003cp data-start=\"2900\" data-end=\"3007\"\u003eMatrix: Pale finely crystallized natural matrix; exact matrix minerals have not been analytically confirmed\u003c\/p\u003e\n\u003cp data-start=\"3009\" data-end=\"3054\"\u003eLuster: Vitreous calcite with metallic pyrite\u003c\/p\u003e\n\u003cp data-start=\"3056\" data-end=\"3123\"\u003eTransparency: Transparent to translucent calcite with opaque pyrite\u003c\/p\u003e\n\u003cp data-start=\"3125\" data-end=\"3157\"\u003eCalcite Crystal System: Trigonal\u003c\/p\u003e\n\u003cp data-start=\"3159\" data-end=\"3225\"\u003eCalcite Chemical Formula: CaCO₃ with manganese-bearing composition\u003c\/p\u003e\n\u003cp data-start=\"3227\" data-end=\"3287\"\u003eMounting: Affixed to a custom display base produced in-house\u003c\/p\u003e\n\u003cp data-start=\"3289\" data-end=\"3452\"\u003eCondition: Natural mineral specimen with inherent contacts, inclusions, growth textures, internal cleavage features, surface irregularities, and matrix attachments\u003c\/p\u003e\n\u003cp data-start=\"3454\" data-end=\"3474\"\u003eExact specimen shown\u003c\/p\u003e\n\u003ch2 data-section-id=\"xz3gk0\" data-start=\"3476\" data-end=\"3511\"\u003eAbout Mangano Calcite and Pyrite\u003c\/h2\u003e\n\u003cp data-start=\"3513\" data-end=\"3875\"\u003e“Mangano calcite” is the popular collector and trade name for manganese-bearing calcite. Manganese substitutes for a portion of the calcium within the calcite structure and may produce pale pink coloration, strong fluorescence, or both. A specimen can appear nearly colorless under ordinary lighting yet glow intensely pink or red-orange under ultraviolet light.\u003c\/p\u003e\n\u003cp data-start=\"3877\" data-end=\"4104\"\u003eCalcite is a calcium carbonate mineral known for its wide variety of crystal habits, perfect cleavage, and sensitivity to acids. The developed faces at both ends give this crystal its distinctive double-terminated presentation.\u003c\/p\u003e\n\u003cp data-start=\"4106\" data-end=\"4308\"\u003ePyrite is an iron sulfide mineral recognized by its brassy-gold metallic appearance. Its reflective crystals provide a strong visual contrast against the pale matrix and brilliantly fluorescent calcite.\u003c\/p\u003e\n\u003cp data-start=\"4310\" data-end=\"4537\"\u003eThe Huanzala Mine is one of Peru’s most celebrated collector-mineral localities and is particularly respected for lustrous pyrite and complex combinations of calcite, fluorite, sphalerite, quartz, and other associated minerals.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1punl39\" data-start=\"4539\" data-end=\"4557\"\u003eCollector Notes\u003c\/h2\u003e\n\u003cp data-start=\"4559\" data-end=\"4582\"\u003eThis specimen features:\u003c\/p\u003e\n\u003cul data-start=\"4584\" data-end=\"5069\"\u003e\n\u003cli data-section-id=\"q5c5h4\" data-start=\"4584\" data-end=\"4629\"\u003eDouble-terminated manganese-bearing calcite\u003c\/li\u003e\n\u003cli data-section-id=\"18jk488\" data-start=\"4630\" data-end=\"4680\"\u003eIntense coral-pink to red-orange UV fluorescence\u003c\/li\u003e\n\u003cli data-section-id=\"kmtbh8\" data-start=\"4681\" data-end=\"4734\"\u003eTranslucent calcite with visible internal structure\u003c\/li\u003e\n\u003cli data-section-id=\"4883cv\" data-start=\"4735\" data-end=\"4771\"\u003eAttractive blocky crystal geometry\u003c\/li\u003e\n\u003cli data-section-id=\"57e99b\" data-start=\"4772\" data-end=\"4814\"\u003eMultiple bright metallic pyrite crystals\u003c\/li\u003e\n\u003cli data-section-id=\"7r8row\" data-start=\"4815\" data-end=\"4850\"\u003eSparkling pale crystalline matrix\u003c\/li\u003e\n\u003cli data-section-id=\"1twwiw7\" data-start=\"4851\" data-end=\"4900\"\u003eDramatic contrast under both white light and UV\u003c\/li\u003e\n\u003cli data-section-id=\"1n4kmm0\" data-start=\"4901\" data-end=\"4937\"\u003eMultiple attractive viewing angles\u003c\/li\u003e\n\u003cli data-section-id=\"11dhm0n\" data-start=\"4938\" data-end=\"4972\"\u003eAuthentic Huanzala Mine locality\u003c\/li\u003e\n\u003cli data-section-id=\"178uct1\" data-start=\"4973\" data-end=\"5003\"\u003eCompact mounted presentation\u003c\/li\u003e\n\u003cli data-section-id=\"1obdbtw\" data-start=\"5004\" data-end=\"5043\"\u003eCustom display base produced in-house\u003c\/li\u003e\n\u003cli data-section-id=\"1bmwm75\" data-start=\"5044\" data-end=\"5069\"\u003eExact specimen pictured\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"5071\" data-end=\"5281\"\u003ePerfect for collectors of fluorescent minerals, mangano calcite, Peruvian pyrite, Huanzala Mine specimens, mounted thumbnails, manganese-bearing minerals, calcite crystals, and contrasting mineral associations.\u003c\/p\u003e\n\u003cp data-start=\"5283\" data-end=\"5333\"\u003eProfessionally packaged and shipped from Colorado.\u003c\/p\u003e\n\u003cp data-start=\"5335\" data-end=\"5377\"\u003eYou will receive the exact specimen shown.\u003c\/p\u003e\n\u003cp data-start=\"5379\" data-end=\"5514\"\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":49749644247290,"sku":null,"price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/2328\/8826\/files\/20260724_101716.jpg?v=1784916638","url":"https:\/\/serenitysoulstones.com\/products\/double-terminated-mangano-calcite-with-pyrite-uv-huanzala-mine-peru-15-grams","provider":"Serenity Soul Stones","version":"1.0","type":"link"}