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Hematite Psm Magnetite

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RBR193845

Description Tabs

Description
Locality: 
Payun Volcano, Altiplano de Payun Matru, Mendoza, Argentina
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5.5 × 4 cm
Largest Crystal: 
5.00cm
Description

This is an exceptional specimen from one of the few known mineral locations in Argentina (makes me wondering, because the country is big!). The specimen shows very attractive high lustrous crystals up to 5 cm in diameter! It consists of a single mayor crystal with a few smaller ones around. The specimen is damage-free and a real eye catcher. Also it's free standing and perfect to display all around. This is definitely the best one I saw from the location.

Mineral Data
What's on the rock

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