Definition of Orthoclase. Meaning of Orthoclase. Synonyms of Orthoclase

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

Definition of Orthoclase

Orthoclase
Orthoclase Or"tho*clase, n. [Ortho- + Gr. ? to break.] (Min.) Common or potash feldspar crystallizing in the monoclinic system and having two cleavages at right angles to each other. See Feldspar.

Meaning of Orthoclase from wikipedia

- Orthoclase, or orthoclase feldspar (endmember formula KAlSi3O8), is an important tectosilicate mineral which forms igneous rock. The name is from the...
- This effect is caused by light diffraction through alternating layers of orthoclase and albite within the stone. The diffracted light varies from white to...
- those where pot****ium is replaced by barium. The first of these include: orthoclase (monoclinic) KAlSi3O8 sanidine (monoclinic) (K,Na)AlSi3O8 microcline (triclinic)...
- Microcline forms during slow cooling of orthoclase; it is more stable at lower temperatures than orthoclase. Sanidine is a polymorph of alkali feldspar...
- effect is sometimes seen in orthoclase: hence two kinds of sunstone are distinguished as "oligoclase sunstone" and "orthoclase sunstone". Sunstone was not...
- Orthoclase (endmember formula KAlSi3O8), an important tectosilicate mineral that forms igneous rock Microcline, chemically the same as orthoclase, but...
- Unakite is a metamorphic rock that is altered granite composed of pink orthoclase feldspar, green epidote, and generally colorless quartz. It was first...
- g. calcite CaCO3), sulfates (e.g. gypsum CaSO4·2H2O), silicates (e.g. orthoclase KAlSi3O8), molybdates (e.g. wulfenite PbMoO4) and phosphates (e.g. pyromorphite...
- hardness (e.g. topaz-rich granite contains: topaz — Mohs 8, quartz — Mohs 7, orthoclase — Mohs 6, plagioclase — Mohs 6–6.5, mica — Mohs 2–4). Despite its lack...
- (Black Mica) Plagioclase (Sodium rich) Relative Crystallization Temperature Orthoclase (K-feldspar) Muscovite (White Mica) Quartz (Felsic mineral) Low...