2.1" Lustrous Aegirine & Smoky Quartz Crystals on Feldspar - Malawi

Lustrous Aegirine & Smoky Quartz Crystals on Feldspar - Malawi #280748

This is a beautiful 2.1" wide association of white feldspar crystals, glassy smoky quartz crystals, and lustrous black aegirine crystals. This mineral cluster was collected from Mount Malosa in the Southern region of Malawi, Africa.

Aegirine is a sodium iron silicate with the chemical formula NaFeSi2O6. It is a member of the pyroxene group and it shares the same crystal structure as augite, but a different chemical composition. It typically forms long, slender crystals that can bear reddish-black, brown, black or greenish colorations.

View All Mineral Specimens