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Seligmannite On Orpiment

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JYJ685866

Seligmannite On Orpiment

Description Tabs

Description
Locality: 
Quiruvilca Mine, Quiruvilca District, Santiago de Chuco Province, Libertad Department, Peru
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.7 × 1.3 cm
Description

Several large black metallic seligmannite crystals in cavities of good orpiment. 

Mineral Data
What's on the rock

Seligmannite

Formula: 
PbCuAsS3
Strunz: 
2.GA.50
Hardness: 
3.0
Streak: 
Black
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