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Native Silver & Acanthite On Siderite

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PJM202401

Native Silver & Acanthite On Siderite

Description Tabs

Description
Locality: 
Proprietary Mine, Broken Hill, New South Wales, Australia
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 2 × 1.6 cm
Description

 A mass of twisted native silver wired, intergrown with sugary acanthite and some fine veins of pyrargyrite in massive siderite and cerussite with minor anglesite. The silver mass appears to have replaced or pseudomorphed a hexangonal mineral. Old time specimen from the early 1900's

Mineral Data
What's on the rock

Silver

Formula: 
Ag
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Acanthite

Formula: 
Ag2S
Strunz: 
2.BA.35
Crystal System: 
Monoclinic - Prismatic
Hardness: 
2.0 - 2.5
Streak: 
lead grey
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Siderite

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

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