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0 item @ $0.00  

Autunite

#PD31680

Autunite

#PD31680
Availability
Sold
Price
$30.00
Size
7 x 5 x 1.5 cm - Sm Cabinet 
Formula
Ca(UO2)2(PO4)2·10-12H2O (RRUFF)
Locality
Merrivale Quarry, Dartmoor, Devon, England
Tagged
phosphate

Though not strickly Cornwall, this specimen from Devon is a nice Autunite with coverage of tiny yellow crystals on granitic matrix.

Autunite

Formula
Ca(UO2)2(PO4)2·10-12H2
Crystal System
Tetragonal 
Crystal Habit
Tabular, Micaceous, Foliated 
Cleavage
Perfect, Poor, Poor 
Luster
Vitreous - Pearly 
Color
yellow, pale yellow, lemon yellow, greenish yellow, pale green 
Streak
pale yellow 
Class
Tetragonal - Ditetragonal Dipyramidal 
Fracture
Uneven 
Hardness
2-2.5 

Data courtesy of Webmineral.

Collection
Phillips Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Autunite
On Dakota Matrix
Other Available Autunite
WebMineral
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Mindat
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