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Cronstedtite

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PJM153455

Cronstedtite

Description Tabs

Description
Locality: 
Wheal Jane, Kea, Cornwall, United Kingdom
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1 × 1 cm
Description

A fine domed cluster of dark brown cronstedtite crystals collected from sublevel 8 in Wheal Jane. Cronstedtite is a rare iron silicate of the serpentine group

Mineral Data
What's on the rock

Cronstedtite

Formula: 
Fe2+2Fe3+((Si,Fe3+)2O5)(OH)4
Strunz: 
9.ED.15
Crystal System: 
Monoclinic, Trigonal, Hexagonal
Hardness: 
3.5
Type Locality: 
Příbram, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic
Earthstones Australia

Seller Information

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All goods must be paid for prior to shipping, all bids are binding.