Definition of Anorthoclase. Meaning of Anorthoclase. Synonyms of Anorthoclase

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

Definition of Anorthoclase

Anorthoclase
Anorthoclase A*nor"tho*clase, n. [Gr. ? priv. + orthoclase.] (Min.) A feldspar closely related to orthoclase, but triclinic. It is chiefly a silicate of sodium, potassium, and aluminium. Sp. gr., 2.57 -- 2.60.

Meaning of Anorthoclase from wikipedia

- The mineral anorthoclase ((Na,K)AlSi3O8) is a crystalline solid solution in the alkali feldspar series, in which the sodium-aluminium silicate member exists...
- stratocone. The composition of the current eruptive products of Erebus are anorthoclase-porphyritic tephritic phonolite and phonolite, which are the bulk of...
- up to 10%. When this is exceeded the mineral is then considered to be anorthoclase. It occurs in granitic and pegmatite m****es (often as the variety cleavelandite)...
- An erebus crystal is a crystal of anorthoclase (a type of feldspar) found in the immediate area surrounding Mount Erebus near McMurdo Station, Antarctica...
- sodalite, hauyne, leucite and analcite) and alkali feldspar (sanidine, anorthoclase or orthoclase), and rare sodic plagioclase. Biotite, sodium-rich amphiboles...
- Eudialyte Euxenite Fayalite Feldspar subgroup: Andesine Albite Anorthite Anorthoclase Amazonite Bytownite Celsian Microcline Moonstone Adularia (var.) Rainbow...
- the rock is usually found as a vitrophyre containing phenocrysts of anorthoclase or sanidine. Quartz is found only in the most strongly peralkaline rocks...
- being a mixture in stoichiometric terms. Feldspars are a common example: anorthoclase is an alkali aluminum silicate, where the alkali metal is interchangeably...
- sanidine (monoclinic) (K,Na)AlSi3O8 microcline (triclinic) KAlSi3O8 anorthoclase (triclinic) (Na,K)AlSi3O8 Pot****ium and sodium feldspars are not perfectly...
- constitute a solid solution series with intermediate compositions termed anorthoclase. Exsolution of an albite phase does occur; resulting cryptoperthite can...