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Ludlockite

#36465

Ludlockite

#36465
Availability
Sold
Size
1.5 x 1 x 1 cm - Thumbnail 
Formula
PbFe3+4As3+10O22 (RRUFF)
Locality
Tsumeb mine, Tsumeb, Namibia

Dark red aciular to fibrous Ludlockite. Ludlockite is triclinic and typically form silky, hairlike crystal bunches like this specimen. It only looks acicular, but is more bladed, hairlike and silky.

Type Locality

Ludlockite

Formula
PbFe3+4As3+10O22 
Crystal System
Triclinic 
Crystal Habit
Acicular 
Cleavage
Good, Good, None 
Luster
Subadamantine 
Color
copper red 
Streak
light brown 
Class
Triclinic - Pinacoidal 
Fracture
Sectile 
Hardness
1.5-2 

Data courtesy of Webmineral.

Special Info
Type Locality

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