Weeksite

Silicate mineral

Weeksite is a naturally occurring uranium silicate mineral with the chemical formula: K2(UO2)2Si6O15•4(H2O), potassium uranyl silicate. Weeksite has a Mohs hardness of 1-2. It was named for USGS Alice Mary Dowse Weeks

Identification

Mohs scale ( mineral hardness )

Density ( specific gravity )

1.596

1.603

1.606

Crystal ( diaphaneity )

Orthorhombic