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Ilmenite

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PDM809039

Ilmenite

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Description
Locality: 
Allard Lake, Havre-Saint-Pierre, Côte-Nord, Québec, Canada
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 4.3 × 2.9 cm
Description

Mass of interpenetrated crystals of black ilmenite, from the late-Proterozoic Allard Lake ilmenite deposit, the world's largest Fe–Ti oxide deposit.

Ex Rik Dillen specimen, who analysed the batch while working in Sidmar (Composition in the associated label).

Detailed information can be found in: Charlier, B et al. (2010): Origin of the giant Allard Lake ilmenite ore deposit (Canada) by fractional crystallization, multiple magma pulses and mixing. Lithos 117, 119-134.

Mineral Data
What's on the rock

Ilmenite

Formula: 
Fe2+TiO3
Strunz: 
4.CB.05
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
5.0 - 6.0
Type Locality: 
Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

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