Cotunnite
id:
cotunnite-260-2017748
title:
Cotunnite
text:
Cotunnite is the natural mineral form of lead(II) chloride (PbCl2). Unlike the pure compound, which is white, cotunnite can be white, yellow, or green. The density of mineral samples spans range 5.3–5.8 g/cm3. The hardness on the Mohs scale is 1.5–2. The crystal structure is orthorhombic dipyramidal and the point group is 2/m 2/m 2/m. Each Pb has a coordination number of 9. Cotunnite occurs near volcanoes: Vesuvius, Italy; Tarapacá, Chile; and Tolbachik, Russia. It was first described in 1825 fr
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Cotunnite
date created:
date modified:
2023-02-21T12:38:56Z
main entity:
{"identifier":"Q425639","url":"https://www.wikidata.org/entity/Q425639"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/4/48/Cotunnite_nymonh.jpg","width":534,"height":490}
fields total:
13
integrity:
14