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Hutchinsonite with Orpiment

#48500

Hutchinsonite with Orpiment

#48500
Availability
Sold
Size
10 x 4.5 x 3.5 cm - Cabinet 
Formula
PbTlAs5S9 (RRUFF)
Locality
Quiruvilca mine, Santiago de Chuco prov., La Libertad dept., Peru
Tagged
sulfide

Orange clusters of Orpiment associated with the rare lead-thallium mineral, Hutchinsonite. It is rich for Hutchinsonite with deep red crystals to 3mm but mostly to 1mm. 

Hutchinsonite

Formula
PbTlAs5S9 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Acicular 
Cleavage
Good, None, None 
Luster
Sub Metallic 
Color
cherry red, pink, black 
Streak
red 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
1.5-2 

Data courtesy of Webmineral.

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