Minerals identify

Know how to recognize them

Gormanite

Phosphate mineral

Gormanite is a phosphate mineral with the formula (Fe,Mg) 3Al 4(PO 4) 4(OH) 6·2H2O. It was named after the University of Toronto professor Donald Herbert Gorman (1922-2020).

Identification

Color of mineral

Green
Blue

Mohs scale ( mineral hardness )

4
5

The streak

Green

Density ( specific gravity )

1.619
1.653
1.66

Luster ( interacts light )

Vitreous
Greasy

Crystal ( diaphaneity )

Triclinic