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Tiger's Eye With Hematite & Magnetite

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LGM212793

Tiger's Eye With Hematite & Magnetite

Ex W. Stahl coll., ex. R. Heeren, Sinzig, Germany
With Antique Label

Description Tabs

Description
Locality: 
Hamersley Ranges, Pilbara Region, Western Australia, Australia
Size Range: 
Cabinet (10-18 cm)
Size: 
8 × 10.5 × 0.6 cm
Description

A beautiful polished 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 devloped during archaic and proterozoic age (1.8-3.8 Ma). Weight: 150 grams

Mineral Data
What's on the rock

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

Magnetite

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

Seller Information

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