Minerals identify

Know how to recognize them

Topaz

Nesosilicate

Topaz is a silicate mineral and fluorine Al )2. It is used as a gemstone in jewelry and other adornments. Topaz in its natural state is a golden brown to yellow. A variety of impurities and treatments may make topaz wine red, pale gray, reddish-orange, pale green, pink, or opaque.

Physically Topaz is a nesosilicate. It is one of the hardest naturally occurring minerals with a relatively low index of refraction. It is produced in many places in the world. The name topaz is derived from the Greek words Τοpáziοs or Τοpáziοn.

Identification

Color of mineral

White
Blue
Brown
Orange
Grey
Yellow
Green
Pink
Red

Mohs scale ( mineral hardness )

8

Density ( specific gravity )

1.606
1.609
1.616

Luster ( interacts light )

Vitreous

Crystal ( diaphaneity )

Orthorhombic