Minerals identify

Know how to recognize them

Tungstite

Mineral

Tungstite is a hydrous tungsten mineral with formula: W. It is a secondary mineral formed by the weathering of other tungsten containing minerals. It crystallizes in the orthorhombic system in translucent yellow to yellow green masses. It is clay-like with Mohs hardness of 5.5.

It was first described in 1868 for an occurrence near Trumbull, Connecticut at the Hubbard Tungsten Mine at Long Hill.

Identification

Color of mineral

Yellow
Green
Orange

Mohs scale ( mineral hardness )

2.5

Density ( specific gravity )

2.09

Luster ( interacts light )

Resinous
Pearly

Crystal ( diaphaneity )

Orthorhombic