Minerals identify

Know how to recognize them

Thorite

Silicate mineral

Thorite, (Th,U)SiO4, is a rare nesosilicate of thorium system and is isomorphous with zircon. It is the most common mineral and is nearly always strongly radioactive. It was named in 1829 to reflect its thorium content. Thorite was discovered in 1828 on the island of Løvøya , Norway, by the vicar and mineralogist, Hans Morten Thrane Esmark , who sent the first specimens of this black mineral to his father, Jens Esmark , who was a professor of mineralogy and geology.

Identification

Color of mineral

Yellow
Orange
Brown
Black
Green

Mohs scale ( mineral hardness )

4.5

The streak

Brown
Orange
Magenta

Density ( specific gravity )

1.79
1.78

Luster ( interacts light )

Resinous
Vitreous

Crystal ( diaphaneity )

Tetragonal

Radioactive

Radioactive