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...
- pot****ium: Orthoclase (endmember formula KAlSi3O8), an important tectosilicate mineral that forms igneous rock Microcline, chemically the same as orthoclase, but...
- effect is sometimes seen in orthoclase: hence two kinds of sunstone are distinguished as "oligoclase sunstone" and "orthoclase sunstone". Sunstone was not...
- Microcline forms during slow cooling of orthoclase; it is more stable at lower temperatures than orthoclase. Sanidine is a polymorph of alkali feldspar...
- those where pot****ium is replaced by barium. The first of these include: orthoclase (monoclinic) KAlSi3O8 sanidine (monoclinic) (K,Na)AlSi3O8 microcline (triclinic)...
- Unakite is a metamorphic rock that is altered granite composed of pink orthoclase feldspar, green epidote, and generally colorless quartz. It was first...
- topaz-rich granite contains: topaz - hardness 8, quartz - hardness 7, orthoclase feldspar - hardness 6, plagioclase feldspar - hardness 6 to 6.5, mica...
- felsic rock is granite. Common felsic minerals include quartz, muscovite, orthoclase, and the sodium-rich plagioclase feldspars (albite-rich). In modern usage...
- An example of a series of mineral reactions is illustrated as follows. Orthoclase feldspar (KAlSi3O8) is a mineral commonly found in granite, a plutonic...