ceriten.1
/ˈsɪərʌɪt/ Mineralogy.
a. A very rare mineral, the hydrated silicate of Cerium (of which it is the chief source). Found as yet only in an abandoned copper mine at Bastnäs near Riddarhyttan in Westmannland, Sweden, in compact fine-grained masses of indistinct blackish-red colour, and also in short six-sided prisms. It contains also the rare metals Lanthanum and Didymium, and generally a small quantity of Yttrium. Called by Klaproth ochroite.
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the world > the earth > minerals > types of mineral > silicates > miscellaneous silicates > [noun] > cerite
ferricalcite1794
cerite1805
ochroite1852
1805 Jrnl. Nat. Philos. Oct. 105 (title) Experiments on a Mineral formerly called false Tungstein, now Cerite, in which a new Metal has been found.
1812 H. Davy Elements Chem. Philos. 433 There is a mineral found at Ridderhytta in Sweden, very like tungsten, of a reddish colour, and which has been called cerite.
1837–68 in J. D. Dana Min.
1885 H. Erni Mineral. Simplified (ed. 2) 317 Color of cerite, reddish-gray.
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b. Cerite metals: cerium, didymium, and lanthanum (Watts Dict. Chem. 3rd Suppl. 418).
This entry has not yet been fully updated (first published 1889; most recently modified version published online June 2018).
ceriten.2
Palaeontology.
A genus of fossil brachiopod molluscs. Also attributive.
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the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Brachiopoda > [noun] > family Lingulidae > genus or member of
cerite1811
ungulite1850
tongue-shell1891
1811 J. Pinkerton Petralogy I. 497 Some of the marl beds contain cardites..cerites or screws.
1852 T. Ross tr. A. von Humboldt Personal Narr. Trav. Amer. I. v. 184 The cerite limestone of the banks of the Seine is sometimes mixed with sandstone.
This entry has not yet been fully updated (first published 1889; most recently modified version published online June 2019).
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also refers to : -ceritecomb. form
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n.11805n.21811see also