noun Etymology: French, from Late Latin amphibolus, from Greek amphibolos ambiguous, from amphiballein to throw round, doubt, from amphi- + ballein to throw — more at devil Date: circa 1823 1. hornblende 2. any of a group of complex silicate minerals with like crystal structures that contain calcium, sodium, magnesium, aluminum, or iron ions or a combination of them

New Collegiate Dictionary. 2001.

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  • Amphibole — (pronounced amfi bowl) defines an important group of generally dark colored rock forming inosilicate minerals, composed of double chain SiO4 tetrahedra, linked at the vertices and generally containing ions of iron and/or magnesium in their… …   Wikipedia

  • Amphibole — Am phi*bole ([a^]m f[i^]*b[=o]l), n. [Gr. amfi bolos doubtful, equivocal, fr. amfiba llein to throw round, to doubt: cf. F. amphibole. Ha[ u]y so named the genus from the great variety of color and composition assumed by the mineral.] (Min.) A… …   The Collaborative International Dictionary of English

  • Amphibŏle — (Min.), so v.w. Hornblende …   Pierer's Universal-Lexikon

  • Amphibole — Amphibole, Hornblende …   Herders Conversations-Lexikon

  • amphibole — [am′fə bōl΄] n. [Fr < LL amphibolus, ambiguous < Gr amphibolos < amphiballein, to throw around, doubt < amphi , AMPHI + ballein, to throw: see BALL2] any of a group of rock forming minerals, as hornblende or actinolite, composed… …   English World dictionary

  • Amphibole — Amphibolgruppe Amphibol, Fundort: Dolné Breziny, Slowakei Chemische Formel siehe Einzelminerale Mineralklasse Kettensilikate und Bandsilikate (Inosilikate) VIII/F.7 bis VIII/F.12 (nach Strunz) …   Deutsch Wikipedia

  • amphibole — 1. amphibole [ ɑ̃fibɔl ] n. f. • 1787; gr. amphibolos « à double pointe » ♦ Géol. Groupe de silicates à deux clivages faciles et parfaits. Amphiboles alumineuses (ex. hornblende), non alumineuses (ex. actinote). Qui contient des amphiboles… …   Encyclopédie Universelle

  • amphibole — /am feuh bohl /, n. Mineral. any of a complex group of hydrous silicate minerals, containing chiefly calcium, magnesium, sodium, iron, and aluminum, and including hornblende, tremolite, asbestos, etc., occurring as important constituents of many… …   Universalium

  • Amphibole — Am|phi|bo|le 〈Pl.; Min.〉 Gruppe weitverbreiteter gesteinsbildender Minerale, z. B. Hornblende [→ Amphibolie] * * * Amphibole,   Singular Amphibol der, s, Gruppe sehr verbreiteter gesteinsbildender Calcium Magnesium oder Natrium Magnesium… …   Universal-Lexikon

  • Amphibole — Motif cristallin élémentaire des amphiboles Les amphiboles sont une famille de minéraux, silicates de fer, de calcium ou de magnésium. Elles cristallisent dans les systèmes orthorhombique et monoclinique en prismes très allongés, avec un clivage… …   Wikipédia en Français

  • amphibole — noun a mineral or mineral variety belonging to the amphibole group • Hypernyms: ↑mineral • Hyponyms: ↑nephrite, ↑actinolite, ↑anthophyllite, ↑asbestos, ↑hornblende • Member Holonyms: ↑ …   Useful english dictionary

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