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Siderite & Pyrite

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FNW94214

Siderite & Pyrite

Description Tabs

Description
Locality: 
Almeria, Andalusia, Spain
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 4.3 × 3 cm
Description

Group of lenticular siderite crystals with small crystals of pyrite that are complex, with the predominant forms of the octahedron, covering almost the entire piece.

Siderite crystals are sharp, highly modified compressed rhombohedra. The specimen is beautiful and aesthetic.

Mineral Data
What's on the rock

Siderite

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5
Fine Minerals World