Minerals identify

Know how to recognize them

Majorite

Nesosilicates

Majorite is a type of garnet found in the mantle of the Earth. Its chemical formula is Mg3(MgSi)(SiO4)3. It is distinguished from other garnets in having Si in octahedral as well as tetrahedral coordination. Majorite was first described in 1970 from the Coorara Meteorite and has been reported from various other meteorites in which majorite is thought to result from an extraterrestrial high pressure shock event. Mantle derived xenoliths containing majorite have been reported from potassic ultramafic Island on the Ontong Java Plateau

Identification

Color of mineral

Purple
Brown
Yellow

Mohs scale ( mineral hardness )

7
7.5

Density ( specific gravity )

1.87

Luster ( interacts light )

Vitreous

Crystal ( diaphaneity )

Cubic