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1 item @ $25.00  

Hubnerite with Cassiterite and Pyrite

#PD33671

Hubnerite with Cassiterite and Pyrite

#PD33671
Availability
Sold
Size
6.5 x 8.5 x 5 cm - Sm Cabinet 
Formula
Mn2+WO4 (RRUFF)
Locality
Llallagua, Bolivia
Tagged
tungstate

Large, thick well formed black Wolframite crystals to 1cm set on a piece of chuky matrix composed of dark brown Cassiterite and massive Pyrite.

Hubnerite

Formula
Mn2+WO4 
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Lamellar, Massive - Granular 
Cleavage
Perfect, None, None 
Luster
Sub Metallic 
Color
brown, reddish brown, brownish black 
Streak
reddish brown 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
4.5 

Data courtesy of Webmineral.

Collection
Phillips Collection
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