Definition of Plagioclases. Meaning of Plagioclases. Synonyms of Plagioclases

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

Definition of Plagioclases

Plagioclase
Plagioclase Pla"gi*o*clase, n. [Gr. ? oblique + ? to break.] (Min.) A general term used of any triclinic feldspar. See the Note under Feldspar.

Meaning of Plagioclases from wikipedia

- Plagioclase (/ˈplædʒ(i)əˌkleɪs, ˈpleɪdʒ-, -ˌkleɪz/ PLAJ-(ee)-ə-klayss, PLAYJ-, -⁠klayz) is a series of tectosilicate (framework silicate) minerals within...
- found to lack long range order. The lamellar separation only occurs in plagioclases of a certain composition; those of calcic labradorite (50–70% anorthite)...
- pot****ium, or barium. The most common members of the feldspar group are the plagioclase (sodium-calcium) feldspars and the alkali (pot****ium-sodium) feldspars...
- intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides...
- to 10 molecular percent of the albite endmember). The composition of plagioclases is often expressed as a molar percentage of An%, or (for a specific quantity)...
- phaneritic, intrusive igneous rock characterized by its composition: mostly plagioclase feldspar (90–100%), with a minimal mafic component (0–10%). Pyroxene...
- and plagioclase makes up more than 65% of the total feldspar content. Gabbroids are distinguished from dioritoids by an anorthite (calcium plagioclase) fraction...
- rocks are primarily composed of quartz, plagioclase, and alkali feldspar. Granitoids range from plagioclase-rich tonalites to alkali-rich syenites and...
- Albite is a plagioclase feldspar mineral. It is the sodium endmember of the plagioclase solid solution series. It represents a plagioclase with less than...
- (phaneritic) intrusive igneous rock similar to granite, but containing more plagioclase feldspar than orthoclase feldspar. The term banatite is sometimes used...