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Abernathyite

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Abernathyite
Abernathyite is a mineral with formula K(UO2)(AsO4)·3H2O. The mineral is named after Jesse Evrett Abernathy (1913–1963) who first noted it in 1953 in the U.S. State of Utah. It was described as a new mineral species in 1956. Abernathyite is yellow and occurs as small crystals.

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Mineralogy Database Dictionary

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Abernathyite

General Information:
 Chemical Formula:
K(UO2)(AsO4)·4(H2O)
 Composition:
(Molecular Weight = 520.11 gm)
Potassium 7.52 % 
Uranium 45.77 % 
Arsenic 14.41 % As
Hydrogen 1.55 % 
Oxygen 30.76 % 
 Empirical Formula:
K(UO2)(AsO4)·4(H2O)
 Locality:
TL: USA, UT, Emery Co, Temple Mtn
Physical Properties:
 Cleavage:
[???] Perfect
 Color:
yellow.
 Density:
3.31 - 3.57, Average = 3.44
 Diaphaniety:
Transparent
 Hardness:
2-3 - Gypsum-Calcite
 Luminescence:
Fluorescent.
 Luster:
Vitreous (Glassy)
 Streak:
yellow
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