{{Short description|Lead minerals and pigments resembling them}} {{Infobox mineral |image=PbO.jpg | caption=Lead ochre in two powders}} {{Other uses|Ochre (disambiguation)}} {{Other uses|Lead (disambiguation)}} {{Use British English|date=September 2024}} '''Lead ochre''' or ''lead ocher'' in American English ({{langx|de|bleiocker}}; {{etymology|grc|''{{wikt-lang|grc|ὤχρα}}'' {{grc-transl|ὠχρός}}|pale yellow, orange}}), as well as ''plumbic ocher'' or ''lead oxide''<ref name="Dana">''Edward Salisbury Dana''. A text-book of Mineralogy with an extended treatise on Crystallography and physical mineralogy. Third Edition, revised and enlarged by William E. Ford. — London: Chapman & Hall, Limited, 1922. — 754 p.</ref>{{rp|209}} — at least three lead minerals (pigments)<ref name="kriv">''Krivovichev V. G.'' Mineralogical glossary. Scientific editor A. G. Bulakh. — St.Petersburg: St.Petersburg Univ. Publ. House. 2009. — 556 p. — ISBN 978-5-288-04863-0</ref>{{rp|307,495}} that resemble ocher in appearance. Under such a trivial name, minerals and pigments of cream, yellow, orange and red colours were known, reminiscent of or corresponding to the powdery consistency of ochre. The term ″lead ochre″ was used primarily among glassblowers, artisans, as well as geologists and miners. It may refer to:
== Essential minerals == * massicot<ref name="Egle">''Thomas Egleston, Ph. D.'' Catalogue of Minerals and Synonyms. — Washington: Government Printing Office, 1887.</ref>{{rp|184}} — β-PbO,<ref name="Alber">''Albert Hill Fay''. A Glossary of the Mining and Mineral Industry. — U.S. Government Printing Office, 1920. — 754 p.</ref>{{rp|393}} stable at temperatures above 489°C, metastable at room temperature, yellow crystals, is a secondary mineral which forms from the oxidation of galena ores — a bright yellow pigment * litharge<ref name="wats">''Henry Watts'' A dictionary of chemistry and the allied branches of other sciences. — London, Longmans 1870.</ref>{{rp|548}} — α-PbO,<ref name="Alber"/>{{rp|393}} stable up to a temperature of 489°C, red crystals, is a secondary mineral which forms from the oxidation of galena ores — a bright orange pigment * minium — Pb<sub>2</sub>PbO<sub>4</sub>,<ref name="kriv"/>{{rp|307}} also known as ''red lead'' or ''red lead oxide'' — a bright orange red pigment
== Gallery == <gallery mode=packed heights="120px" style="text-align:left"> Massicot-177334.jpg|{{center|Massicot}} Lead monoxide.jpg|{{center|Massicot (pigment)}} Litharge.jpg|{{center|Litharge}} Minium-232908.jpg|{{center|Minium (mineral)}} Red lead.jpg|{{center|Minium (pigment)}} </gallery>
== See also == * Ochre * Ochre (disambiguation) * Lead (disambiguation) * Lead(II) oxide * List of inorganic pigments * List of colors * Red pigments * Antimony ochres * Cobalt ochres * Iron ochres * Orange * Yellow
== References == {{reflist}}
{{Set index article}} Category:Set index articles on minerals Category:Lead minerals Category:Oxide minerals Category:Mining terminology Category:Pigments Category:Mineral groups