Minerals identify

Know how to recognize them

Spinel

oxide mineral, spinel group, spinel structural group

Spinel ( /spɪˈnɛl/) is the magnesium/aluminium member of the larger spinel group of minerals. It has the formula MgAl 2O 4 in the cubic crystal system. Its name comes from the Latin word spinella, which means spine in reference to its pointed crystals.

Identification

Color of mineral

Red
Pink
Blue
Purple
Violet
Green
Brown
Black

Mohs scale ( mineral hardness )

7.5

Density ( specific gravity )

1.719

Luster ( interacts light )

Vitreous

Crystal ( diaphaneity )

Cubic