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Siderite Chalcopyrite Dolomite & Pyrite

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LGM103238

Siderite Chalcopyrite Dolomite & Pyrite

Ex Dr. Krantz, Bonn, Germany
With Antique Label

Description Tabs

Description
Locality: 
Sulzbach Valley, Salzburg, Austria
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 9 × 4.5 cm
Largest Crystal: 
2.00cm
Description

Yellow-brown siderite with on-grown, slightly corroded chalcopyrite and globular pyrite.
Comes with a nice old label dated to the 19th century. "Spateisen" is a german synonym for siderite. Stürtz in Bonn was bought out by Dr. A. Krantz after his movement from Berlin to Bonn in 1850.
Weight: 350 grams

Mineral Data
What's on the rock

Siderite

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

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

Seller Information

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