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Aragonite & Siderite

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CLB79724

Aragonite & Siderite

coll. by Ernst Stark

Description Tabs

Description
Locality: 
Fuchsberg Quarry, Piesport, Bernkastel-Wittlich, Rhineland-Palatinate, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4 × 3.5 cm
Largest Crystal: 
0.60cm
Description

Lustrous aragonite needles in a dolomite-siderite vug.

Mineral Data
What's on the rock

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain

Siderite

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

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