Definition of Feldspathoid. Meaning of Feldspathoid. Synonyms of Feldspathoid

Here you will find one or more explanations in English for the word Feldspathoid. Also in the bottom left of the page several parts of wikipedia pages related to the word Feldspathoid and, of course, Feldspathoid synonyms and on the right images related to the word Feldspathoid.

Definition of Feldspathoid

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Meaning of Feldspathoid from wikipedia

- The feldspathoids are a group of tectosilicate minerals which resemble feldspars but have a different structure and much lower silica content. They occur...
- 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...
- The acronym QAPF stands for "quartz, alkali feldspar, plagioclase, feldspathoid (foid)", which are the four mineral groups used for classification in...
- component of lapis lazuli is lazurite (25% to 40%),[citation needed] a blue feldspathoid silicate mineral of the sodalite family, with the formula Na7Ca(Al6Si6O24)(SO4)(S3)...
- BaAl2Si2O8 Hyalophane – (K,Ba)[Al(Si,Al)Si2O8] Rubicline – (RbAlSi3O8 Feldspathoid group Cancrinite subgroup Cancrinite – (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2·2H2O...
- may refer to: Firearm Owner's Identification, a FOID card in Illinois Feldspathoid, sometimes called a "foid", a class of mineral found in igneous rocks...
- Ancient Gr**** νεφέλη (nephélē) 'cloud'), is a rock-forming mineral in the feldspathoid group – a silica-undersaturated aluminosilicate, Na3KAl4Si4O16, that...
- at least 10% of the mineral content consists of quartz, feldspar, or feldspathoid minerals, classification begins with the QAPF diagram. The relative abundances...
- quartz, feldspars, or feldspathoids. classification is based on the percentages of quartz, alkali feldspar, plagioclase, and feldspathoid out of the total...
- 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...