Gem, Rock, and Mineral Postage Stamps Featuring

Mineral Name: Pyromorphite

Composition: Lead phosphate chloride

Nomenclature: Named after the Greek words "pyrh" and "morphe" which mean "fire" and "form" because the globule produced by melting a fragment assumes a crystalline shape upon cooling.

Industrial Uses: Lead ore.

Additional Notes: A member of the Apatite group of minerals. Also referred to as green lead ore.

Bulgaria : Scott 3900 : 8 leva : 20 Nov 1995