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Ilvaite & Prase Quartz

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PFK639978

Ilvaite & Prase Quartz

Classic Locality

Description Tabs

Description
Locality: 
Serifos Island, Milos, South Aegean, Greece
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.1 × 1.6 cm
Description

A fine and unusual ilvaite specimen from this classic locality. A group of doubly terminated, brown crystals of ilvaite accented by green prase quartz. Good combo and very cute thumbnail!

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

Prase

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
0.0

Quartz

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

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