English syllables. 2014.

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  • Bytownite — is a calcium rich member of the plagioclase solid solution series of feldspar minerals. It is usually defined as having %An between 70 and 90. Like others of the series, bytownite forms grey to white triclinic crystals commonly exhibiting the… …   Wikipedia

  • bytownite — ● bytownite nom féminin (de Bytown, nom propre) Plagioclase très calcique, intermédiaire entre le labrador et l anorthite …   Encyclopédie Universelle

  • bytownite — noun A plagioclase feldspar, the fifth member of the Albite Anorthite solid solution series. Bytownite is rare, and normally occurs in small grains in lime rich igneous rocks. Clear pale yellow crystals have come from Mexico and Oregon. ,Chemical …   Wiktionary

  • bytownite — ˈbī(ˌ)tau̇ˌnīt,  ̷ ̷ˈ ̷ ̷ˌ ̷ ̷ noun ( s) Etymology: Bytown (now Ottawa), Canada + English ite : a plagioclase feldspar consisting of 10 to 30 percent albite and 90 to 70 percent anorthite * * * bytownite Min. (ˈbaɪtaʊnaɪt) [f. Bytown, (now… …   Useful english dictionary

  • bytownite — /buy tow nuyt/, n. a blue to dark gray mineral near the anorthite end of the plagioclase feldspar group. [1865 70; named after Bytown (old name of Ottawa, Canada), where first found; see ITE1] * * * …   Universalium

  • Plagioclase — A photomicrograph of a plagioclase crystal under cross polarized light. The plagioclase crystal shows a distinct banding effect called a Polysynthetic twinning. (unknown scale) General Category …   Wikipedia

  • Plagioclase — Grains fins de plagioclases dans roche volcanique Les plagioclases sont une importante série de silicates minéraux dans la famille des feldspaths. Plutôt que de se référer à un minéral particulier avec une composition chimique spécifique, le… …   Wikipédia en Français

  • Bytownit — Dieser Artikel wurde aufgrund von formalen Mängeln an Gestaltung bzw. Form und/oder inhaltlichen Mängeln auf der Qualitätssicherungsseite des WikiProjekts Minerale eingetragen. Dies geschieht, um die Qualität der Artikel aus dem Themengebiet… …   Deutsch Wikipedia

  • List of minerals A-B (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go… …   Wikipedia

  • Puy de la Nugère — Le puy de la Nugère, flanc est (carrière de pouzzolane) Géographie Altitude 994 m …   Wikipédia en Français

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