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Manganite

#RW50103

Manganite

#RW50103
Availability
Available
Price
$40.00
Size
5.5 x 5 x 3 cm - Sm Cabinet 
Formula
Mn3+O(OH) (RRUFF)
Locality
Wessels mine, Hotazel, Kalahari Mn fields, Northern Cape Province, South Africa
Tagged
ore mineral

Shiny, lustrous black rounded crystal tips in a tighly packed cluster. On the side the crystals can be seen to extend through the entire specimen and down to the base. 

Manganite is an ore of Manganese containing 52.5% Mn. 

Manganite

Formula
Mn3+O(OH) 
Crystal System
Monoclinic 
Crystal Habit
Pseudo Orthorhombic, Massive - Fibrous, Prismatic 
Cleavage
Perfect, None, None 
Luster
Sub Metallic 
Color
black, gray, grayish black 
Streak
dark brown 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness

Data courtesy of Webmineral.

Collection
Robert J. Waidler Collection
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