Definition of Glassy feldspar. Meaning of Glassy feldspar. Synonyms of Glassy feldspar

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Definition of Glassy feldspar

glassy feldspar
Sanidine San"i*dine, n. [Gr. ?. ?, a board. So called in allusion to the tabular crystals.] (Min.) A variety of orthoclase feldspar common in certain eruptive rocks, as trachyte; -- called also glassy feldspar.
Glassy feldspar
Glassy Glass"y, a. 1. Made of glass; vitreous; as, a glassy substance. --Bacon. 2. Resembling glass in its properties, as in smoothness, brittleness, or transparency; as, a glassy stream; a glassy surface; the glassy deep. 3. Dull; wanting life or fire; lackluster; -- said of the eyes. ``In his glassy eye.' --Byron. Glassy feldspar (Min.), a variety of orthoclase; sanidine.

Meaning of Glassy feldspar from wikipedia

- common members of the feldspar group are the plagioclase (sodium-calcium) feldspars and the alkali (pot****ium-sodium) feldspars. Feldspars make up about 60%...
- anorthoclase (a type of feldspar) found in the immediate area surrounding Mount Erebus near McMurdo Station, Antarctica. This type of feldspar is rich in sodium...
- Moonstone is a sodium pot****ium aluminium silicate ((Na,K)AlSi3O8) of the feldspar group that displays a pearly and opalescent schiller. An alternative name...
- Oligoclase is a rock-forming mineral belonging to the plagioclase feldspars. In chemical composition and in its crystallographic and physical characters...
- Trinitite, also known as atomsite or Alamogordo gl****, is the gl****y residue left on the desert floor after the plutonium-based Trinity nuclear bomb test...
- where plagioclase-group feldspar is oligoclase Tuff – Rock consolidated from volcanic ash Vitrophyre – Gl****y volcanic rock - Gl****y igneous rock with phenocrysts...
- əlaɪt/ RY-ə-lyte) is the most silica-rich of volcanic rocks. It is generally gl****y or fine-grained (aphanitic) in texture, but may be porphyritic, containing...
- sodic pyroxenes such as aegirine or sodic amphibole in addition to in feldspar. The chemistry of volcanic rocks is dependent on two things: the initial...
- is a gl****y material found in some meteorites and meteorite impact craters. Typical samples are similar in composition to plagioclase feldspar, and revert...
- grains of silicate minerals (usually quartz or feldspar), consisting of very narrow planes of gl****y material arranged in parallel sets that have distinct...