Queitite
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Queitite is a lead zinc silicate sulphate that was named after the mineral dealer Clive S. Queit, who collected the first specimens. It got approved by the IMA in 1979, and it is an extremely rare secondary mineral.
Queitite is a lead zinc silicate sulphate that was named after the mineral dealer Clive S. Queit, who collected the first specimens. It got approved by the IMA in 1979, and it is an extremely rare secondary mineral. ==Localities and occurrences== It is a type locality of Tsumeb mine, Namibia, but it is also mined at Red Gill mine, England, and in the Penrhiw Mine, Ceredigion. However, there was one occurrence in Wales, of a single specimen displaying microscopic crystal sprays. The mineral was collected in a small section of dumps from weathered veinstone. In its type locality, it is associated with quartz, galena, sphalerite, melanotektite, willemite, leadhillite, alamosite, larsenite and tennantite. In the Red Gill mine, it appears with quartz, leadhillite, cerussite, caledonite and susannite. It occurs in a partially oxidized lead ore on corroded sulfides from a dolostone-hosted hydrothermal polymetallic ore deposit, or from a hydrothermal lead-zinc-copper ore deposit in a vug in quartz, with other oxidized lead-copper minerals. In Tsumeb, it grows into bladed crystals on a matrix of lead-copper ores. It also occurs in post-mining oxidation and weathering deposits. It can also form through post-mining alteration of lead-zinc ore. It is a supergene mineral, meaning it grows close to the surface. ==References==
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