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Alloclasite

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JYJ614584

Alloclasite

Description Tabs

Description
Locality: 
Prameri, Gonnosfanadiga, South Sardinia Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.3 × 1.3 cm
Description

Black metallic alloclasite with a coating in quartz. 

References: - Sabelli C. (2000): Rooseveltite e "agardite-(Ce)".Riv. Mineral. Ital., 1/2000, 40-43.

Mineral Data
What's on the rock

Alloclasite

Formula: 
Co1-xFexAsS
Strunz: 
2.EB.10b
Crystal System: 
Orthorhombic
Hardness: 
5.0
Type Locality: 
Elizabeth Mine, Oraviţa (Oravicza; Orawitza), Oraviţa-Ciclova Cu-Mo-(W) ore field, Banat Mts, Caraş-Severin Co., Romania