rhodusiten.
/ˈrəʊdəsʌɪt/, U.S. /ˈroʊdəsaɪt/ Mineralogy.
An amphibole mineral occurring as elongated or asbestos-like dark blue fibres, and now identified with magnesioriebeckite.
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the world > the earth > minerals > types of mineral > silicates > amphibole (double chain) > [noun] > riebeckite
riebeckite1888
rhodusite1894
magnesioriebeckite1957
1894 Jrnl. Chem. Soc. 66 ii. 461 He [sc. von Foullon] describes an asbestos-like variety of glaucophane... For this he proposes the name of rhodusite.
1906 Proc. Amer. Philos. Soc. 45 187 The iron being higher and the alumina lower than in any published analyses of glaucophane, except three from Rhodus, described by H. B. Foullon as rhodusite, a variety of glaucophane.
1965 E. W. Heinrich Microsc. Identification of Minerals x. 271 There are..varieties of riebeckite (rhodusite) in which Mg replaces Fe2+ to a variable extent.
1997 W. A. Deer et al. Rock-forming Minerals (ed. 2) II. b 699 Asbestiform magnesio-riebeckite (rhodusite in Soviet nomenclature) is abundant in the iron-rich sediments of the Krivoy Rog basin, Yakutia.
This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).
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n.1894