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Sphalerite & Siderite

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ESM830835

Sphalerite & Siderite

Description Tabs

Description
Locality: 
Clausthal-Zellerfeld, Goslar, Lower Saxony, Germany
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5 × 2.5 cm
Description

Sharp brown siderite crystals hosting lustrous dark brown sphalerite crystals

Mineral Data
What's on the rock

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Siderite

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