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Ilvaite

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Watches:
SHS54043

Ilvaite

ex. Jörgen Langhof (Sweden)

Description Tabs

Description
Locality: 
Finngruvan-Gröngruvan, Nordmark, Filipstad, Värmland County, Sweden
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 2.1 × 1.6 cm
Description

A specimen of black ilvaite in and around a matrix.

Mineral Data
What's on the rock

Ilvaite

Formula: 
CaFe2+2Fe3+(Si2O7)O(OH)
Strunz: 
9.BE.07
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0
Type Locality: 
Torre di Rio - Santa Filomena area (Monte della Torre), Rio Marina, Elba Island, Livorno Province, Tuscany, Italy