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Hollandite

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MEX102297

Hollandite

Classic Locality

Description Tabs

Description
Locality: 
Jokkmokk, Norrbotten County, Sweden
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 3.9 × 2.4 cm
Description

Very rich hollandite specimen with well terminated crystals elongated parallel grown in vein quartz with violet fluorite areas.

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