pyromorphite

[pahy-ruh-mawr-fahyt]

Phonetic (Standard)IPA

noun

a mineral, lead chlorophosphate, Pb 5 P 3 O 1 2 Cl, occurring in crystalline and massive forms, and of a green, yellow, or brown color; green lead ore: a minor ore of lead.

pyromorphite

/ ˌ�貹ɪ��əʊˈ��ɔː�ڲ�ɪ�� /

noun

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

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Word History and Origins

Origin of pyromorphite¹

From the German word Pyromorphit, dating back to 1805–15. See pyro-, morph-, -ite ¹

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Word History and Origins

Origin of pyromorphite¹

C19: from German Pyromorphit, from _pyro- + Greek ��ǰ��ŧ form + _-ite ¹ , an allusion to the fact that it assumes a crystalline form when heated

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Example Sentences

Examples have not been reviewed.

Descloizite occurs in veins of lead ores in association with pyromorphite, vanadinite, wulfenite, &c.

From

For the assay of pyromorphite the following charge may be used:—Ore, 20 grams; "soda," 25 grams; tartar, 7 grams; and fluor spar, 5 grams; and 2 grams of borax as a cover.

From

pyrometric cone pyromucic aldehyde

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