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Imiterite & Polybasite

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SER125617

Imiterite & Polybasite

Type Locality

Description Tabs

Description
Locality: 
Imiter Mine, Tinghir Province, Drâa-Tafilalet Region, Morocco
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 3.1 × 3.5 cm
Description

some tiny, acicular imiterite crystals with acanthite and, in another vug, some platy, exagonal polybasite crystals and minor proustite

Mineral Data
What's on the rock

Imiterite

Formula: 
Ag2HgS2
Strunz: 
2.BD.05
Hardness: 
2.5 - 3.0
Colour: 
Black
Type Locality: 
Imiter Mine, Imiter District, Djebel Saghro (Jbel Saghro), Ouarzazate Province, Souss-Massa-Draâ Region, Morocco

Polybasite

Formula: 
[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Strunz: 
2.GB.15
Crystal System: 
Monoclinic - Prismatic
Hardness: 
2.5 - 3.0
Streak: 
black