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Siderite

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MGR874765

Siderite

Classic Locality

Description Tabs

Description
Locality: 
Rhône Gorge, Oberwald, Goms, Valais, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.4 × 7.6 × 7.1 cm
Largest Crystal: 
8.40cm
Description

For sure one of the very best and most remarkable alpine siderite specimen I ever saw - the crystal is 84mm across and it is complete, sharp terminated, partly glossy and set on matrix! Really a phenomenal piece! The matrix is excatly in the center so it looks like a huge mush-room in each position. Undamaged!

Mineral Data
What's on the rock

Siderite

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