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Siderite

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TMT207327

Siderite

Description Tabs

Description
Locality: 
Penlee Quarry, Cornwall, United Kingdom
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 5.6 × 3.8 cm
Description

Small pseudohexagonal crystal aggregates scattered over chalcedony coated quartz. Collected from a Crosscourse vein in March 2002.

Mineral Data
What's on the rock

Siderite

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