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Ilvaite & Quartz

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CFL956825

Ilvaite & Quartz

Description Tabs

Description
Locality: 
Dalnegorsk, Primorskiy Kray, Russian Federation
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 4.5 × 3.7 cm
Description

Superb ''floater'' specimen of highly lustrous ilvaite crystals, up to 4 cm in size, associated with colorless quartz.  Purchased in 1996.

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

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