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Hutchinsonite & Orpiment

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NRW141927

Hutchinsonite & Orpiment

Rare Mineral

Description Tabs

Description
Locality: 
Quiruvilca Mine, Quiruvilca District, Santiago de Chuco Province, Libertad Department, Peru
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.3 × 0.8 cm
Largest Crystal: 
0.70cm
Description

Metallic black striated spray of hutchinsonite formed on a bed of sparkly yellow orpiment crystals. Great contrast; needs magnification. From the Dr. F. P. d’Esopo Collection who got it from William W. Pinch. Both labels are included in auction.

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

Orpiment

Formula: 
As2S3
Strunz: 
2.FA.30
Crystal System: 
Monoclinic
Hardness: 
1.5 - 2.0
Nature's Window