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Ilvaite & Quartz

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Ilvaite & Quartz

Classic Locality

Description Tabs

Description
Locality: 
Gavorrano Mine, Gavorrano, Grosseto Province, Tuscany, Italy
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 2.5 cm
Largest Crystal: 
1.00cm
Description

Several well terminated ilvaite crystals combined with rock crystal in a cavernity in quartz matrix.

The ilvaite is of good shape and lustre. Found in the early 1960s.

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
minhunter

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