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Na8Al6Si6O24SO4·H2O Petalita: LiAlSi4O10 Sodalita: Na8Al6Si6O24Cl2 Lista de minerales Feldespatos Magma Datos: Q1006122 Multimedia: Feldspathoid / Q1006122…2 kB (228 palabras) - 14:52 30 mar 2024
Resultados de la Wikipedia en inglés.
- The feldspathoids are a group of tectosilicate minerals which resemble feldspars but have a different structure and much lower silica content. They occur…2 kB (226 palabras) - 15:21 9 ene 2024
- gabbro contains up to 10% feldspathoids rather than quartz. "Foid" in the name is usually replaced by the specific feldspathoid that is most abundant in…19 kB (2320 palabras) - 12:08 23 ene 2024
- Nepheline (categoría Feldspathoid)Ancient Greek νεφέλη (nephélē) 'cloud'), is a rock-forming mineral in the feldspathoid group – a silica-undersaturated aluminosilicate, Na3KAl4Si4O16, that…10 kB (970 palabras) - 04:19 13 ene 2024
- at least 10% of the mineral content consists of quartz, feldspar, or feldspathoid minerals, classification begins with the QAPF diagram. The relative abundances…22 kB (2394 palabras) - 15:35 9 feb 2024
- approximately equal amounts. Quartz is less than five percent and is absent in a feldspathoid-bearing latite, and olivine is absent in a quartz-bearing latite. When…3 kB (228 palabras) - 19:51 27 jul 2023
- olivine Essexite – Igneous rock type Foidolite – Igneous rock rich in feldspathoid minerals Gabbro – Coarse-grained mafic intrusive rock Granite – Type…14 kB (2209 palabras) - 23:33 16 abr 2024
- The acronym QAPF stands for "Quartz, Alkali feldspar, Plagioclase, Feldspathoid (Foid)", which are the four mineral groups used for classification in…7 kB (856 palabras) - 20:03 22 nov 2023
- substitution by Al3+. As a result, feldspathoids are almost never found in association with quartz. A common example of a feldspathoid is nepheline ((Na, K)AlSiO4);…110 kB (13 012 palabras) - 21:01 19 may 2024
- quartz, feldspars, or feldspathoids. Classification is based on the percentages of quartz, alkali feldspar, plagioclase, and feldspathoid out of the total…48 kB (5657 palabras) - 16:36 13 abr 2024
- Lazurite (categoría Feldspathoid)chloride with formula (Na,Ca)8[(S,Cl,SO4,OH)2|(Al6Si6O24)]. It is a feldspathoid and a member of the sodalite group. Lazurite crystallizes in the isometric…7 kB (557 palabras) - 16:26 9 oct 2023
- essential alkali feldspar. Relatively minor plagioclase and quartz or a feldspathoid such as nepheline may also be present. This is reflected in the position…19 kB (2091 palabras) - 18:40 23 mar 2024
- some are peralkaline (terms discussed in igneous rock). Nepheline is a feldspathoid, a solid-solution mineral, that does not coexist with quartz; rather…18 kB (2131 palabras) - 15:06 22 abr 2023
- quartz (crystalline silica (SiO2)), alkali feldspar, plagioclase, and feldspathoid (QAPF) being particularly important. An aphanitic (fine-grained) igneous…69 kB (7757 palabras) - 15:00 25 abr 2024
- Na)(Si,Al)4O8 (Na:Ca 1:4) Anorthite – CaAl2Si2O8 Tectosilicates, feldspathoid family Nosean – Na8Al6Si6O24(SO4) Cancrinite –Na6Ca2(CO3,Al6Si6O24) ·…20 kB (1897 palabras) - 18:13 5 feb 2024
- rock with aphanitic to porphyritic texture. It is composed mostly of feldspathoids, pyroxenes, olivine, and plagioclase and forms from magma low in silica…8 kB (773 palabras) - 20:57 19 ene 2024
- Earth's crust is predominantly silicate minerals: mostly feldspars, feldspathoids, olivine, pyroxenes, amphiboles, micas and quartz. Rare nonsilicate…56 kB (6577 palabras) - 05:26 14 may 2024
- important mineral component of lapis lazuli is lazurite (25% to 40%), a blue feldspathoid silicate mineral of the sodalite family, with the formula (Na,Ca) 8(AlSiO…27 kB (2884 palabras) - 16:58 20 may 2024
- in the feldspathoid minerals. Essexite is an alkaline igneous rock equivalent to an alkaline basalt. The presence of nepheline, a feldspathoid mineral…4 kB (363 palabras) - 14:16 8 dic 2023
- zeolites) Faustite Fayalite (olivine group) Feldspar (mineral group) Feldspathoid (mineral group) Felsőbányaite Fengchengite (eudialyte group) Ferberite…41 kB (2720 palabras) - 14:09 13 may 2024
- formula Na6Ca2[(CO3)2|Al6Si6O24]·2H2O. It is classed as a member of the feldspathoid group of minerals; the alkali feldspars that are poor in silica. Yellow…3 kB (146 palabras) - 18:14 23 ene 2024
- alkali feldspar makes up 35% to 90% of its total feldspar content. Feldspathoids are not present. This makes rhyolite the extrusive equivalent of granite…20 kB (2233 palabras) - 00:40 16 may 2024