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...
- three endmembers: orthoclase endmember KAlSi3O8 albite endmember NaAlSi3O8 anorthite endmember CaAl2Si2O8 Solid solutions between orthoclase and albite are...
- Microcline forms during slow cooling of orthoclase; it is more stable at lower temperatures than orthoclase. Sanidine is a polymorph of alkali feldspar...
- g. calcite CaCO3), sulfates (e.g. gypsum CaSO4·2H2O), silicates (e.g. orthoclase KAlSi3O8), molybdates (e.g. wulfenite PbMoO4) and phosphates (e.g. pyromorphite...
- Unakite is a metamorphic rock that is altered granite composed of pink orthoclase feldspar, green epidote, and generally colorless quartz. It was first...
- felsic rock is granite. Common felsic minerals include quartz, muscovite, orthoclase, and the sodium-rich plagioclase feldspars (albite-rich). In modern usage...
- specific types of granitoids. The alkali feldspar in granites is typically orthoclase or microcline and is often perthitic. The plagioclase is typically sodium-rich...
- 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...
- Oneillite Oosterboschite Oppenheimerite Ordóñezite Oregonite Orpiment Orthoclase Osarizawaite Osmium Osumilite Otavite Ottrelite Otwayite Varieties that...