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Hollandite

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SLN748404

Hollandite

Description Tabs

Description
Locality: 
Taouz, Errachidia Province, Drâa-Tafilalet Region, Morocco
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
5.7 × 7.9 × 7.6 cm
Weight: 
302.00gr
Description

Aesthetic and big specimen from Morocco of high quality of hollandite in botryoidal aggregates and crystals of an intense black color

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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