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Iron Tiger's Eye With Hematite

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LGM508328

Iron Tiger's Eye With Hematite

ex Marcus Lueg personal collection

Description Tabs

Description
Locality: 
Hamersley Ranges, Pilbara Region, Western Australia, Australia
Class: 
Massive/Crystalline
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 8 × 1.4 cm
Weight: 
190.00gr
Description

Slab of a typical banded iron formation (BIF) ore consisting of alternating layers of tiger's eye and magnetite/hematite. It is significantly magnetic. BIF's are very old and developed during archaic and proterozoic age (1.8-3.8 Ma).

One side is rough, one side is sawn and polished, with a very beautiful alternating layered structure.

Mineral Data
What's on the rock

Iron

Formula: 
Fe
Strunz: 
1.AE.05
Crystal System: 
Isometric
Hardness: 
4.5
Streak: 
Grey
Type Locality: 
Qeqertarsuaq Island (Disko Island), Qaasuitsup, Greenland

Tiger's Eye

Mixture Of: 

Crocidolite

Hardness: 
0.0

Riebeckite

Formula: 
◻[Na2][Fe2+3Fe3+2]Si8O22(
Strunz: 
9.DE.25
Hardness: 
5.0 - 5.5

Chalcedony

Hardness: 
6.5 - 7.0

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0

Seller Information

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