Hematite ps. Magnetite

Hematite – Fe₂O₃

Elements: Iron, Oxygen

Class: Oxides

Crystal System: Hexagonal

Hardness: 5-6

Orthoclase

Talc (1)Diamond (10)

About as hard as a steel knife blade.

Magnetite – Fe²⁺Fe³⁺₂O₄

Elements: Iron, Oxygen

Class: Oxides

Crystal System: Cubic

Hardness: 5.5-6.5

Orthoclase

Talc (1)Diamond (10)

Scratches glass. Harder than a steel knife.

Origin: Payun volcano, Malargue Departement – Argentina

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