cerite


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cerite

(ˈsiːraɪt)
n
a rare mineral, the hydrous silicate of cerium
References in periodicals archive ?
5) Zigan-Araptan, outre de la mort de son frere, & se defiant de la fin cerite d'un oncle si promt a depecher ses neveux fut sourd a toutes ses persuasions.
Although the third and final segment of the antennular peduncle was usually present, the basi cerite was rarely added and the statocyst never found among stage IVB animals.
For a long time it was the only known locality for cerite.
of cerite, are rather widespread in public and private collection in Europe, and the collection of the Naturhistoriska Riksmuseet (Swedish Museum of Natural History) in Stockholm contains a large suite of Bastnas specimens, including the type specimen of tornebohmite.
According to Geijer (1920), high-grade cerium ore consisting of cerite and allanite was mined in the period 1875-1888, the total production amounting to 4465 metric tonnes.
Cerite and allanite had already been noted in the mid-18th century by Cronstedt, but it is not known whether Sankt Goransgruvan was ever mined specifically for cerium ore.
During 1937-1938 several crates of extracted cerite ore were exported to Norway, and the dumps were again hand-picked in the late 1940's, but the material was never sold and was later dumped in a nearby mine (Hogrelius, personal communication, 1994).
In 1750 Cronstedt reported a "dense, reddish, rather heavy ironstone" and also described a "black wolfram" containing iron (Tidestrom, 1890); this is probably the first note on the cerite and allanite from Bastnas.