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Cryptomelane & Lithiophorite

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MNR120172

Cryptomelane & Lithiophorite

Description Tabs

Description
Locality: 
Campos de Calatrava, Ciudad Real, Castilla La Mancha, Spain
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 1.8 × 2 cm
Description

Black cryptomelane with lithiophorite (both Mn minerals).

Mineral Data
What's on the rock

Cryptomelane

Formula: 
K(Mn4+7Mn3+)O16
Strunz: 
4.DK.05a
Crystal System: 
Tetragonal
Hardness: 
5.0 - 6.5
Type Locality: 
Tombstone, Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA

Lithiophorite

Formula: 
(Al,Li)MnO2(OH)2
Strunz: 
4.FE.25
Crystal System: 
Monoclinic
Hardness: 
3.0
Type Locality: 
Spitzleithe, Schneeberg District, Erzgebirge, Saxony, Germany