Autunite
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Autunite, with formula Ca22·10–12H2O, is a yellow-greenish fluorescent phosphate mineral with a hardness of 2–2+1⁄2. Autunite crystallizes in the orthorhombic system and often occurs as tabular square
Autunite from Daybreak Mine, Washington
Autunite from Mount Kit Carson, Washington
Autunite under UV light
More crystals under UV light
Torbernite
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Torbernite, also known as chalcolite, is a relatively common mineral with the chemical formula Cu2·12H2O. It is a radioactive, hydrated green copper uranyl phosphate, found in granites and other urani
Autunite
…namesake. It occurs as an oxidation product of uranium minerals in granite pegmatites and hydrothermal deposits. Associate minerals include metaautunite, torbernite, phosphuranylite, saleeite, uranophane and sabugalite. Autunite was named after the town of Autun, France, where the mineral was initially found. The…
Torbernite crystals from Mashamba West Mine, Kolwezi, Katanga Province, Democratic Republic of the Congo
Torbern Olof Bergman
Metatorbernite from Margabal Mine, Entraygues-sur-Truyère, France (Size: 4 cm × 3 cm × 1.8 cm)
A pyramidal torbernite crystal from Brest, France (Field of view: 7 mm × 5 mm)