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- Autunite - Wikipedia
Autunite (hydrated calcium uranyl phosphate), with formula Ca(UO 2) 2 (PO 4) 2 ·10–12H 2 O, is a yellow-greenish fluorescent phosphate mineral with a hardness of 2– 2 + 1 ⁄ 2 [4] [5] Autunite crystallizes in the orthorhombic system and often occurs as tabular square crystals, commonly in small crusts or in fan-like
- Autunite: Mineral information, data and localities. - mindat. org
Autunite Group A secondary mineral resulting from the oxidation of primary uranium minerals in hydrothermal veins, granite pegmatites, etc Dehydrates
- Autunite | Physical - Optical Properties, Occurrence, Uses More
Autunite is a phosphate mineral that formula is calcium uranium phosphate (Ca (UO2)2(PO4)2·10–12H2O) and It is harness of 2 – 2, 5 A popular collector’s mineral Greenish or lemon yellow in color, autunite specimens fluoresce green under ultraviolet light
- Autunite: Properties, Occurrence, Uses – Geology In
Autunite is a hydrated calcium uranyl phosphate mineral with the chemical formula Ca(UO₂)₂(PO₄)₂·10–12H₂O Autunite is a product of the alteration of uraninite It is the most common surface uranium mineral, abundant in the oxidation zones of uranium deposits ; it is also found more rarely in pegmatitic veins containing uranium and
- Autunite | Radioactive, Phosphate, Uranium | Britannica
autunite, phosphate mineral, hydrated calcium and uranium phosphate [Ca(UO 2) 2 (PO 4) 2 ·10–12H 2 O], that is an ore of uranium It forms translucent to transparent, yellow to pale-green crystals, scaly masses, or crusts in hydrothermal veins and pegmatites, where it occurs as an alteration product of uraninite
- Autunite Ca(UO2(PO4 2 10 12H2O - Handbook of Mineralogy
Mineral Group: Autunite group Occurrence: A secondary mineral derived from primary uranium-bearing minerals under oxidizing conditions, in hydrothermal veins, granite pegmatites, etc Association: Meta-autunite, torbernite, phosphuranylite, sal´eeite, uranophane, uranophane-beta, sabugalite
- Autunite Mineral Data
Autunite Meta-autunite Comments: Corner of a meta-autunite crystal showing the dehydration of autunite (dark green) to meta-autunite (lighter yellowish green) Location: Daybreak Mine, Spokane County, Washington, U S A Scale: See Image © Paul M Schumacher
- Autunite Features, Composition, Formula, Properties, Uses
Autunite is a greenish yellow fluorescent mineral The crystals of this mineral often occur in tabular square form as it has a tetragonal crystal system The uranium content causes this ore to have radioactive properties
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