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
Historical Examples of 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
Word Origin for pyromorphite
C19: from German Pyromorphit, from pyro- + Greek morphē form + -ite 1, an allusion to the fact that it assumes a crystalline form when heated
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012