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Proustite Xanthoconite Polybasite Imiterite & Pearceite

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SER646030

Proustite Xanthoconite Polybasite Imiterite & Pearceite

Description Tabs

Description
Locality: 
Imiter Mine, Tinghir Province, Drâa-Tafilalet Region, Morocco
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7 × 5.5 cm
Description

Almost all the paragenesis of Imiter mine is here well rapresented : red proustite crystals, some orange xanthoconite, tiny imiterite, a good, large crystal of polybasite and several red blades of pearceite : very rich specimen

Mineral Data
What's on the rock

Proustite

Formula: 
Ag3AsS3
Strunz: 
2.GA.05
Crystal System: 
Trigonal
Hardness: 
2.0 - 2.5

Xanthoconite

Formula: 
Ag3AsS3
Strunz: 
2.GA.10
Crystal System: 
Monoclinic
Hardness: 
2.0 - 3.0
Type Locality: 
Himmelsfürst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge, Saxony, Germany

Polybasite

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

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

Pearceite

Formula: 
[(Ag,Cu)6(As,Sb)2S7][Ag9CuS4]
Strunz: 
2.GB.15
Hardness: 
2.5 - 3.0
Streak: 
black
Type Locality: 
Mollie Gibson Mine (Molly Gibson Mine), Aspen, Aspen District (Roaring Fork District), Pitkin Co., Colorado, USA
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