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Ilvaite

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MGR1029057

Ilvaite

Classic Locality

Description Tabs

Description
Locality: 
Koundouros, Serifos Island, South Aegean, Greece
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 1.1 × 1.1 cm
Description

Fine developed and lustrous dark crystal of ilvaite from Greece. The top is super fine terminated and the crystal shows some fine coloured pattern at its faces.

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