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Laffittite

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SKY536677

Laffittite

Type Locality

Description Tabs

Description
Locality: 
Getchell Mine, Humboldt County, Nevada, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.1 × 0.7 cm
Description

Black crystals of laffittite, a very rare silver-mercury mineral of formula AgHgAsS3 found in only 5 localities worldwide, associated to orpiment and realgar. Good contrast with the matrix under the microscope !

Mineral Data
What's on the rock

Laffittite

Formula: 
AgHgAsS3
Strunz: 
2.GA.35
Crystal System: 
Monoclinic
Hardness: 
3.5
Type Locality: 
Jas Roux, La Chapelle-en-Valgaudemar (La Chapelle-en-Valgaudémar), Hautes-Alpes, Provence-Alpes-Côte d'Azur, France...

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