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Haiweeite & Uranophane

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SHS521933

Haiweeite & Uranophane

Description Tabs

Description
Locality: 
Teofilo Otoni, Mucuri Valley, Minas Gerais, Brazil
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 7 × 3 cm
Description

Nice haiweeite and uranophane on matrix

Mineral Data
What's on the rock

Haiweeite

Formula: 
Ca(UO2)2[Si5O12(OH)2]·6H2O
Strunz: 
9.AK.25
Crystal System: 
Orthorhombic
Hardness: 
3.5
Streak: 
White
Type Locality: 
Unnamed U occurrence [1], Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA

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