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Calcite On Siderite

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SYA754209

Calcite On Siderite

Description Tabs

Description
Locality: 
Arpke Clay Pit, Lehrte, Hanover Region, Lower Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 1.5 × 1.4 cm
Description

A yellow-orange calcite group on a matrix of brown siderite crystals.

Beautiful specimen - self collected at the end of the 1970s

Since decades recultivated clay pit. No more finds.

 

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Siderite

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

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