Franklinphilite

Silicate mineral

Franklinphilite is a phyllosilicate of the stilpnomelane group. Known from only two localities (with a third unconfirmed locality in Switzerland) It was found exclusively from the Franklin and Sterling Hill mines in Franklin , Sussex County until 2013, when a locality in Wales was confirmed

Identification

Color of mineral

Brown

Mohs scale ( mineral hardness )

Density ( specific gravity )

1.545

1.583

Luster ( interacts light )

Resinous

Vitreous

Crystal ( diaphaneity )

Triclinic