Minerals identify

Know how to recognize them

Acuminite

Halide mineral

Acuminite is a rare halide mineral of with chemical formula 4(OH word acumen, meaning "spear point". Its Mohs scale rating is 3.5.

Acumenite has only been described from its type locality deposit in Ivigtut

Identification

Color of mineral

White

Mohs scale ( mineral hardness )

3.5

Density ( specific gravity )

1.451
1.453
1.462

Luster ( interacts light )

Vitreous

Crystal ( diaphaneity )

Monoclinic