cotunnite

cotunnite

[kə′tə‚nīt]
(mineralogy)
PbCl2 An alteration product of galena; a soft, white to yellowish mineral that crystallizes in the orthorhombic crystal system.
References in periodicals archive ?
Associated minerals are: cotunnite, sophiite, ilinskite, georgbokite, chloromenite and an undefined Cu-Pb selenite.
More commonly, cotunnite is found at Vesuvius as acicular crystals.