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Uranophane & Phosphuranylite

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SMM656054

Uranophane & Phosphuranylite

Description Tabs

Description
Locality: 
Arcu su Linnarbu, Capoterra, Cagliari Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 0.9 × 0.8 cm
Description

Very nice, pale yellow, divergent radials crystals of uranophane with minor phosphuranylite, from a classic Sardinian locality for uranium minerals.

Boxed with Label
Mineral Data
What's on the rock

Uranophane

Formula: 
Ca(UO2)2[HSiO4]2·5H2O
Strunz: 
9.AK.15
Crystal System: 
Monoclinic
Hardness: 
2.0 - 3.0
Type Locality: 
Miedzianka (Kupferberg), Jelenia Góra District, Rudawy Janowickie Mts, Lower Silesia (Dolnośląskie), Poland

Phosphuranylite

Formula: 
(H3O)3KCa(UO2)7(PO4)4O4·8H2O
Strunz: 
8.EC.10
Hardness: 
2.5
Type Locality: 
Buchanan Mine, Waterhole Mine, (Buchanan pegmatite), Mitchell Co., North Carolina, USA

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