- anorthoclase sanidine
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анортоклазсанидин
English-Russian dictionary of geology. 2011.
anorthoclase sanidine
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Sanidine — Catégorie IX : silicates[1] Azulicite (Var. Sanidine) Mina La Pili, Chihuahua, Mexique. (3.5x2.2 cm) … Wikipédia en Français
Sanidine — is the high temperature form of potassium feldspar (K,Na)(Si,Al)4O8. [Mineral Handbook http://www.minsocam.org/msa/Handbook/Sanidine.PDF ] Sanidine most typically occurs in felsic volcanic rocks such as obsidian, rhyolite and trachyte. Sanidine… … Wikipedia
sanidine — sanidinic /san i din ik/, adj. /san i deen , din/, n. Mineral. a glassy, often transparent variety of orthoclase in which sodium may replace as much as 50 percent of the potassium: forms phenocrysts in some igneous rocks. [1805 15; < G Sanidin,… … Universalium
Anorthoclase — Microcline Microcline Catégorie IX : silicates Microcline … Wikipédia en Français
anorthoclase — /an awr theuh klays , klayz /, n. Mineral. a variety of microcline, rich in sodium and sometimes having a play of color: sometimes considered a variety of orthoclase. [AN 1 + ORTHOCLASE] * * * any member of a continuous series of feldspar… … Universalium
feldspar — /feld spahr , fel /, n. any of a group of minerals, principally aluminosilicates of potassium, sodium, and calcium, characterized by two cleavages at nearly right angles: one of the most important constituents of igneous rocks. Also, felspar.… … Universalium
Trachyte — is an igneous, volcanic rock with an aphanitic to porphyritic texture. The mineral assemblage consists of essential alkali feldspar; relatively minor plagioclase and quartz or a feldspathoid such as nepheline may also be present. (See the QAPF… … Wikipedia
Feldspar — is the name of a group of rock forming minerals which make up as much as 60% of the Earth s crust.Feldspar. [http://www.ima na.org/about industrial minerals/feldspar.asp What is Feldspar?] Industrial Minerals Association. Retrieved on July 18… … Wikipedia
Microcline — Microcline[1] Catégorie IX : silicates[2] … Wikipédia en Français
Tuff — (from the Italian tufo ) is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff should not be confused with tufa , another type of rock. Volcanic ashThe products of a volcanic eruption are… … Wikipedia
List of minerals — This is a List of minerals for which there are Wikipedia articles. Mineral variety names and mineraloids are to be listed after the valid minerals for each letter.For a complete listing (about 4,000) of all mineral names: List of minerals… … Wikipedia
