Cotunnite is the natural mineral form of
lead(II) chloride with formula PbCl
2.
It was first described in 1825 from an occurrence on
Mount Vesuvius,
Naples Province,
Campania
(man), it, Campana (woman)
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, Italy.
[ It was named for ]Domenico Cotugno
Domenico Felice Antonio Cotugno (January 29, 1736 – October 6, 1822) was an Italian physician.
Biography
Born at Ruvo di Puglia ( Province of Bari, Apulia) into a family of humble means, Cotugno underwent physical and economic hardships to g ...
(Cotunnius) (1736–1822), Italian physician and Professor of Anatomy.[
It was first recognized in volcanic fumarole deposits. It occurs as a secondary alteration product in lead ore deposits. It has also been reported as an alteration of archaeological objects that contain lead.][Late-Hellenistic shipwreck, Mahdia, Tunisia, (Mindat locality)]
/ref>
It occurs in association with galena
Galena, also called lead glance, is the natural mineral form of lead(II) sulfide (PbS). It is the most important ore of lead and an important source of silver.
Galena is one of the most abundant and widely distributed sulfide minerals. It cryst ...
, cerussite, anglesite
Anglesite is a lead sulfate mineral with the chemical formula PbSO4. It occurs as an oxidation product of primary lead sulfide ore, galena. Anglesite occurs as prismatic orthorhombic crystals and earthy masses, and is isomorphous with barite and ...
and matlockite in the Caracoles, Chile
Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...
. At the Tolbachik
Tolbachik (russian: Толбачик) is a volcanic complex on the Kamchatka Peninsula in the far east of Russia. It consists of two volcanoes, Plosky (''flat'') Tolbachik (3,085 m) and Ostry (''sharp'') Tolbachik (3,682 m), which as the names s ...
volcano on the Kamchatka Peninsula
The Kamchatka Peninsula (russian: полуостров Камчатка, Poluostrov Kamchatka, ) is a peninsula in the Russian Far East, with an area of about . The Pacific Ocean and the Sea of Okhotsk make up the peninsula's eastern and west ...
, Russia it occurs with the rare to uncommon minerals tenorite, ponomarevite, sofiite, burnsite, ilinskite, georgbokite, chloromenite, halite, sylvite and native gold.[
]
References
Halide minerals
Lead minerals
Orthorhombic minerals
Minerals in space group 62
{{halide-mineral-stub