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Magnesiohögbomite-2N2S Ilmenite & Magnetite

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Magnesiohögbomite-2N2S Ilmenite & Magnetite

Gunnar Färber
Rare Mineral

Description Tabs

Description
Locality: 
Ruoutevare, Kvikkjokk, Jokkmokk, Norrbotten County, Sweden
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.8 × 2.3 cm
Description

Very rare type locality sample of tiny, brownish (not well visible on pictures) grains of magnesiohögbomite-2n2s with magnetite and ilmenite.

Mineral Data
What's on the rock

Magnesiohögbomite-2N2S

Formula: 
[(Mg,Fe2+)3[Al7(Ti,Fe3+)]O15(OH)]2
Strunz: 
4.CB.20
Hardness: 
0.0
Type Locality: 
Ruoutevare, Kvikkjokk, Lappland, Sweden

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...

Magnetite

Formula: 
Fe2+Fe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.5
Streak: 
Black

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