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

- 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...
- common members of the feldspar group are the plagioclase (sodium-calcium) feldspars and the alkali (pot****ium-sodium) feldspars. Feldspars make up about 60%...
- 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...
- present in spongy growths among the feldspars of the groundm**** (as in the trachyte of Berkum on the Rhine). Gl****y forms of trachyte (obsidian) occur...
- Oligoclase is a rock-forming mineral belonging to the plagioclase feldspars. In chemical composition and in its crystallographic and physical characters...
- spreading outwards through a fine grained or gl****y rock. In variolites there are straight or feathery feldspar crystals (usually oligoclase) forming pale-colored...
- describing igneous rocks that are relatively rich in elements that form feldspar and quartz. It is contrasted with mafic rocks, which are richer in magnesium...
- 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...
- grains of silicate minerals (usually quartz or feldspar), consisting of very narrow planes of gl****y material arranged in parallel sets that have distinct...