Minerals identify

Know how to recognize them

Bobfergusonite

Phosphate mineral

Bobfergusonite is a mineral with formula Na2Mn5FeAl(PO4)6. The mineral varies in color from green-brown to red-brown. It was discovered in 1986 in Manitoba, Canada, and named for Robert Bury Ferguson , the mineral has only been found in Canada and Argentina.

Identification

Color of mineral

Green
Red
Brown

Mohs scale ( mineral hardness )

4

The streak

Brown

Density ( specific gravity )

1.694

Luster ( interacts light )

Vitreous
Resinous
Greasy

Crystal ( diaphaneity )

Monoclinic