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pyromorphite
[pahy-ruh-mawr-fahyt]
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ɪəʊˈɔːڲɪ /
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
Word History and Origins
Origin of pyromorphite1
Word History and Origins
Origin of pyromorphite1
Example Sentences
Descloizite occurs in veins of lead ores in association with pyromorphite, vanadinite, wulfenite, &c.
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.
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