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Ilvaite Calcite

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MGR761470

Ilvaite Calcite

Description Tabs

Description
Locality: 
Serifos Island, Milos, South Aegean, Greece
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 2.3 × 2.9 cm
Description

A spectacular sample of ilvaite. The mineral is not very common from Greece and the quality of this one is exceptional - it shows highly lustrous areas and spectacular end-points and it is - this is most uncommon - set on matrix. Very aesthetic assemble and in excellent condition damage-wise.

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White