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Pyrargyrite Allemontite & Siderite

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MNR117854

Pyrargyrite Allemontite & Siderite

Classic Locality

Description Tabs

Description
Locality: 
Třebsko, Příbram, Central Bohemian Region, Czech Republic
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.2 × 3.2 × 2.7 cm
Description

Perfect dark red pyrargyrite crystals on botryoidal allemontite. Material comes from mining era in early 1980s. Rarely seen in this quality.

Free shipping up to 1 kg (2 lbs), if conditions met (see the auction header).

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

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White