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Hutchinsonite Baryte & Orpiment

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VCV147269

Hutchinsonite Baryte & Orpiment

ex Kidwell Collection

Description Tabs

Description
Locality: 
Quiruvilca Mine, Quiruvilca District, Santiago de Chuco Province, Libertad Department, Peru
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.2 × 4.8 × 5.2 cm
Description

Very aesthetic and interesting specimen of rare hutchinsonite, a sulfosalt mineral of thallium, arsenic and lead.

Interspersed with well formed tabular white barite crystals and bright orange blebs of orpiment.

Mineral Data
What's on the rock

Hutchinsonite

Formula: 
TlPbAs5S9
Strunz: 
2.HD.45
Hardness: 
1.5 - 2.0
Type Locality: 
Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland

Baryte

Formula: 
BaSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White

Orpiment

Formula: 
As2S3
Strunz: 
2.FA.30
Crystal System: 
Monoclinic
Hardness: 
1.5 - 2.0
Vic's Vugh Minerals