/rohd"n uyt'/, n.
a mineral, manganese metasilicate, MnSiO3, occurring usually in rose-red masses, sometimes used as an ornamental stone; manganese spar.
[1815-25; < G Rhodonit < Gk rhódon ROSE1 + G -it -ITE1]

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Silicate mineral that occurs in various manganese ores, often with rhodochrosite.

A manganese silicate, MnSiO3, with small amounts of iron and calcium, it is found in the Ural Mountains, Sweden, Australia, California, New Jersey, and elsewhere. Rhodonite is the primary source of some important manganese oxide deposits, such as the manganese ores of India. Fine-grained rhodonite of clean, pink colour is a desirable gem and ornamental stone.

Rhodonite from Pajsberg, Swed.

By courtesy of the Field Museum of Natural History, Chicago; photograph, John H. Gerard

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 silicate mineral that occurs as rounded crystals, masses, or grains in various manganese ores, often with rhodochrosite. It is found in the Ural Mountains of Russia, where it is mined for ornamental uses, and in Sweden, New South Wales, California, and New Jersey. Rhodonite, a manganese, iron, and calcium silicate, (Mn,Fe,Ca)SiO3, in some cases forms the primary source of very important deposits of manganese oxides, such as the manganese ores of India. For detailed physical properties, see silicate mineral (table).

      Fine-grained rhodonite of clean, pink colour is a desirable gem and ornamental stone. It has often been used for beads, pendants, and other ornaments.

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Universalium. 2010.

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Look at other dictionaries:

  • Rhodonite — Catégorie IX : silicates[1] Rhodonite gemme sur galène Australie …   Wikipédia en Français

  • Rhodonite — is a manganese inosilicate, (Mn,Fe,Mg,Ca)SiO3 and member of the pyroxene group of minerals, crystallizing in the triclinic system. It commonly occurs as cleavable to compact masses with a rose red color, often tending to brown because of surface… …   Wikipedia

  • Rhodonite — Rho don*ite, n. [Gr. ro don the rose. ] (Min.) Manganese spar, or silicate of manganese, a mineral occuring crystallised and in rose red masses. It is often used as an ornamental stone. [1913 Webster] …   The Collaborative International Dictionary of English

  • rhodonite — ● rhodonite nom féminin Silicate naturel de manganèse de couleur rose, triclinique …   Encyclopédie Universelle

  • rhodonite — [rōd′ n īt΄] n. [Ger rhodonit < Gr rhodon, rose (see RHODA) + Ger it, ITE1] a glassy, pink to brown, triclinic mineral, MnSiO3, used as an ornamental stone; manganese silicate …   English World dictionary

  • rhodonite — rodonitas statusas T sritis chemija apibrėžtis Mineralas. formulė CaMn₄[Si₅O₁₅] atitikmenys: angl. rhodonite rus. родонит …   Chemijos terminų aiškinamasis žodynas

  • rhodonite — noun Etymology: German Rhodonit, from Greek rhodon rose Date: 1823 a pale red triclinic mineral that consists essentially of manganese silicate and is used as an ornamental stone …   New Collegiate Dictionary

  • rhodonite — noun a manganese inosilicate mineral with some substitution by iron and magnesium, of composition (Mn,Fe,Mg,Ca)SiO …   Wiktionary

  • rhodonite — n. Manganese spar, silicate of manganese …   New dictionary of synonyms

  • rhodonite — rho·do·nite …   English syllables

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