Phurcalite and Brochantite on Matrix
Weight: 4.1 Grams
Size: 30x22x6mm
Locality: Posey Mine, Red Canyon Mining District, San Juan County, Utah, USA
Phurcalite Formula: Ca2(UO2)3(PO4)2O2 · 7H2O
Brochantite Formula: Cu4(SO4)(OH)6
Fluorescence captured at 365nm
Phurcalite is a rare, fluorescent uranium mineral composed of calcium uranyl phosphate hydrate. It typically forms in yellowish, fibrous crystals and aggregates, often found in oxidized zones of uranium deposits. Discovered in the Shinkolobwe mine in the Democratic Republic of Congo.
Brochantite is a copper sulfate mineral with the formula Cu₄SO₄(OH)₆, typically forming in oxidized copper deposits appearing as emerald-green to dark-green crystals.. Brochantite is named after the French mineralogist André-Jean-François-Marie Brochant de Villiers.
Geiger counter and coin not included
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