Aragonite (Var: Lead-bearing Aragonite) (Ca,Pb)CO3

Bou Beker, Touissit-Bou Beker mining district, Jerada Province, Oriental Region, Morocco

Tarnowitzite, a lead bearing variety of aragonite. Some say that tarnowitzite is a mix of aragonite and cerussite. It fluoresces white under shortwave and pale yellow under longwave UV light.

Longwave fluorescence.

Images Copyright Simone Conti