Wolframite

Wolframite – (Fe,Mn)WO₄

Elements: Iron, Manganese, Tungsten, Oxygen

Class: Tungstates – Wolframite group

Crystal System: Monoclinic

Hardness: 4-4.5

Fluorite

Talc (1)Diamond (10)

Softer than glass. A steel knife scratches it.

Origin: Altenberg, Sächsische Scheweiz-Osterzgebirge, Saxony – Germany

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