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Siderite

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MGR1039379

Siderite

Classic Locality

Description Tabs

Description
Locality: 
Höllgraben, Pfarrwerfen, St Johann im Pongau District, Salzburg, Austria
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.4 × 5.3 × 3.7 cm
Description

This is an out-standing rarity - the locality produced nearly no Siderite crystals and this one is even sharp terminated, isolated and with lustrous faces - really exceptional for the locality. The center shows razor sharp terminated, stepped faces. No significant damages to report.

Mineral Data
What's on the rock

Siderite

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