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Siderite

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MMM37405

Siderite

Description Tabs

Description
Locality: 
South Crofty Mine, Pool, Carn Brea, Cornwall, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.5 × 5.5 × 2 cm
Largest Crystal: 
0.60cm
Description

Brown lenticular siderite crystals to 6 mm on quartz matrix.

From the 380 fathom Level, Robinson's section, South Crofty.

Ex. Richard Williams Collection.

Mineral Data
What's on the rock

Siderite

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