pyromorphite

[pahy-ruh-mawr-fahyt]
noun
  1. 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

From the German word Pyromorphit, dating back to 1805–15. See pyro-, morph-, -ite1
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British Dictionary definitions for pyromorphite

pyromorphite

noun
  1. 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
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