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Cryptomelane

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GMN806352

Cryptomelane

Description Tabs

Description
Locality: 
Mályi, Miskolc District, Borsod-Abaúj-Zemplén County, Hungary
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6.2 × 5.6 cm
Description

Unique formation of manganese minerals cemented concretion from an unusual location.

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

Seller Information

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