Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Ilvaite & Quartz

Views:
Watches:
ESM694830

Ilvaite & Quartz

Description Tabs

Description
Locality: 
Tetjuche-Pristan, Primorskiy Kray, Russian Federation
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
2 × 4.7 × 4 cm
Description

Lustrous black ilvaite crystals with transparent colourless quartz crystals

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