- a mineral, lead chlorophosphate, Pb5P3O12Cl, occurring in crystalline and massive forms, and of a green, yellow, or brown color; green lead ore: a minor ore of lead.
Origin of pyromorphite
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Examples from the Web for pyromorphite
Galena becomes anglesite, cerussite, pyromorphite and mimetite.The A B C of Mining
Charles A. Bramble
Apatite (phosphate of lime) and pyromorphite (phosphate of lead) contain a considerable amount of it.A Textbook of Assaying: For the Use of Those Connected with Mines.
Cornelius Beringer and John Jacob Beringer
- a green, yellow, brown, or grey secondary mineral that consists of lead chloro-phosphate in the form of hexagonal crystals. Formula: Pb 5 Cl(PO 4) 3
C19: from German Pyromorphit, from pyro- + Greek morphē form + -ite 1, an allusion to the fact that it assumes a crystalline form when heated
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