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Pyrargyrite Allemontite & Symplesite

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MNR634011

Pyrargyrite Allemontite & Symplesite

Description Tabs

Description
Locality: 
Třebsko, Příbram, Central Bohemian Region, Czech Republic
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 3.4 × 1.5 cm
Description

Dark red pyrargyrite crystals and accumulations on allemontite matrix. You can find also rich symplesite on the sample. Symplesite has green-blue accicular crystals.

Mineral Data
What's on the rock

Pyrargyrite

Formula: 
Ag3SbS3
Strunz: 
2.GA.05
Crystal System: 
Trigonal - Ditrigonal Pyramidal
Hardness: 
2.5

Allemontite

Renamed To: 

Stibarsen

Formula: 
AsSb
Strunz: 
1.CA.05
Hardness: 
3.0 - 4.0

Symplesite

Formula: 
Fe2+3(AsO4)2·8H2O
Strunz: 
8.CE.45
Hardness: 
2.5
Type Locality: 
Tännig, Bad Lobenstein, Thuringia, Germany