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Hollandite

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SKY1070716

Hollandite

Rare Mineral

Description Tabs

Description
Locality: 
Langenberg, Erzgebirge, Saxony, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.4 × 1.2 cm
Description

Nice specimen of the black Mn mineral hollandite from Germany.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Hollandite

Formula: 
Ba(Mn4+6Mn3+2)O16
Strunz: 
4.DK.05a
Hardness: 
4.0 - 6.0
Streak: 
Black
Type Locality: 
Gowari Wadhona Mine, Chhindwara District (Chindawara District; Chindwara District), Jabalpur Division, Madhya Pradesh, India

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