Vivianite Viv"i*an*ite, n. [So called by Werner after the English mineralogist F. G. Vivian.] (Min.) A hydrous phosphate of iron of a blue to green color, growing darker on exposure. It occurs in monoclinic crystals, also fibrous, massive, and earthy. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Vivianite — Fe3(PO4)2 middot;8(H2O), hydrated iron phosphate, is a secondary mineral found in a number of geological environments. Usually found as deep blue to deep bluish green prismatic to flattened crystals, most crystals rather small to microscopic,… …   Wikipedia

  • vivianite — ● vivianite nom féminin (de J. G. Vivian, nom propre) Phosphate hydraté naturel de fer, monoclinique …   Encyclopédie Universelle

  • vivianite — s. f. [Mineralogia] Fosfato hidratado natural de ferro.   ♦ Grafia no Brasil: vivianita …   Dicionário da Língua Portuguesa

  • vivianite — vivianitas statusas T sritis chemija apibrėžtis Mineralas. formulė Fe₃[PO₄]₂·8H₂O atitikmenys: angl. vivianite rus. вивианит …   Chemijos terminų aiškinamasis žodynas

  • vivianite — /viv ee euh nuyt /, n. a secondary mineral, hydrous ferrous phosphate, Fe3(PO4)2·8H2O, occurring in the form of pale blue crystals or powder. [1815 25; named after J. G. Vivian, 19th century English mineralogist, who found it; see ITE1] * * * ▪… …   Universalium

  • vivianite — noun A blue, green or colourless mineral of monoclinic crystals, Fe(PO) middot;8HO …   Wiktionary

  • vivianite — viv·i·an·ite …   English syllables

  • vivianite — /ˈvɪviənaɪt/ (say viveeuhnuyt) noun a rare, blue, crystalline mineral phosphate of iron, Fe3 (PO4)2.8H2O. {named after JG Vivian, 19th century English mineralogist + ite1} …   Australian English dictionary

  • vivianite — ˈvivēəˌnīt noun ( s) Etymology: German vivianit, from J. G. Vivian, 19th century English mineralogist + German it ite : a mineral Fe3(PO4)2.8H2O consisting of a hydrous ferrous phosphate that has limited isomorphism with annabergite, erythrite,… …   Useful english dictionary

  • Érythrite — Catégorie VIII : phosphates, arséniates, vanadates[1] Érythrite Bou Azzer Maroc (5.5x4.5 cm ; XX 1.7 cm) …   Wikipédia en Français

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