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Hollandite & Quartz

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GMA827913

Hollandite & Quartz

Description Tabs

Description
Locality: 
Anketsaketsa, Ambatofinandrahana, Amoron'i Mania, Madagascar
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2 × 1.8 cm
Description

White quartz crystal with awesome stars of hollandite inclusions forming a circle.

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Seller Information

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