Definition of Perthites. Meaning of Perthites. Synonyms of Perthites

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

Definition of Perthites

Perthite
Perthite Perth"ite, n. [So called from Perth, in canada.] (Min.) A kind of feldspar consisting of a laminated intertexture of albite and orthoclase, usually of different colors. -- Per*thit"ic, a.

Meaning of Perthites from wikipedia

- varieties of pot****ium feldspar, amazonite and moonstone are variant colored perthites. Le Maitre R.W.; Streckeisen A.; Zanettin B.; Le Bas M.J.; Bonin B.; Bateman...
- Pahangite (also "Pahangese") Patna → Patnaites Penang → Penangite Perth → Perthites (also "Perthian" and "Perthling") Pullman → Pullmanites Putney → Putneyites...
- Sanidine is stable at the highest temperatures, and microcline at the lowest. Perthite is a typical texture in alkali feldspar, due to exsolution of contrasting...
- with pot****ium. The resulting intergrowth of the two feldspars is called perthite. The higher-temperature polymorph of KAlSi3O8 is sanidine. Sanidine is...
- Myrmekite replacing K-feldspar in perthite during Na-Ca-metasomatism, showing isolated quartz vermicules of irregular shape. Lyon Mountain granite gneiss...
- occurs as fine parallel segregations alternating with pink microcline in perthite as a result of exolution on cooling. There are two variants of albite,...
- Papagoite Pargasite Parisite Pectolite Larimar Pentlandite Peridot Periclase Perthite Petalite (castorite) Pezzottaite Phenakite Phlogopite Phosgenite Phosphophyllite...
- M. (1997). "Crystallographic Controls on the Alteration of Microcline Perthites from the Spruce Pine District, North Carolina". Clays and Clay Minerals...
- as biotite granite: pink co****-grained leucocratic; contains quartz, perthite, oligoclase, biotite and accessory apatite and zircon; veins of aplite...
- multiple twinning which forms a grating-like structure that is unmistakable. Perthite is either microcline or orthoclase with thin lamellae of exsolved albite...