Hübnerite on Quartz

Hübnerite – Mn²⁺(WO₄)

Elements: Manganese, Tungsten, Oxygen

Class: Tungstates

Crystal System: Monoclinic

Hardness: 4-4.5

Fluorite

Talc (1)Diamond (10)

Softer than glass. A steel knife scratches it.

Quartz – SiO₂

Elements: Silicon, Oxygen

Class: Silicates – Tectosilicates

Crystal System: Hexagonal

Hardness: 7

Quartz

Talc (1)Diamond (10)

Very hard. Scratches glass and steel.

Size: 11.5 x 9.2 x 7.3 cm Origin: Huayllapon Mine, Pasto Bueno, Pampas District, Pallasca Province, Ancash Department – Peru History: Ex Dr Miguel Romero Collection

Hübnerite on Quartz

More Silicates