Minerals identify

Know how to recognize them

Francevillite

Vanadate mineral

Francevillite is a uranyl-group vanadate in the tyuyamunite is (Ba,Pb)(UO 2) 2V 2O 8·5(H 2O). Francevillite is a strongly radioactive mineral. It is typically orange, yellow or brownish yellow. It forms a series with curienite

Identification

Color of mineral

Yellow
Orange
Green
Brown

Mohs scale ( mineral hardness )

3

The streak

Yellow

Density ( specific gravity )

1.75
1.91
1.945

Luster ( interacts light )

Adamantine
Pearly

Crystal ( diaphaneity )

Orthorhombic

Radioactive

Radioactive