Sanidine definitions

Sanidine

1) Beautiful stone 2) Cut mineral 3) Decorative stone 4) Gemstone mineral 5) Gemstone 6) Jewel mineral 7) Jewel 8) Mineral gemstone 9) Mineral jewel 10) Polished jewel 11) Polished mineral 12) Prized mineral 13) Prized stone 14) Precious gem 15) Precious stone 16) Precious gemstone 17) Precious jewel
Found on https://www.crosswordclues.com/clue/sanidine

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Sanidine

Sanidine is the high temperature form of potassium feldspar with a general formula K(AlSi3O8). Sanidine most typically occurs in felsic volcanic rocks such as obsidian, rhyolite and trachyte. Sanidine crystallizes in the monoclinic crystal system. Orthoclase is a monoclinic polymorph stable at lower temperatures. At yet lower temperatures, microcl...
Found on http://en.wikipedia.org/wiki/Sanidine

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Sanidine

• (n.) A variety of orthoclase feldspar common in certain eruptive rocks, as trachyte; -- called also glassy feldspar.
Found on http://thinkexist.com/dictionary/meaning/sanidine/

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sanidine

alkali feldspar mineral, a high-temperature form of potassium aluminosilicate (KAlSi3O8) that sometimes occurs in surface rocks. Sanidine forms ... [5 related articles]
Found on http://www.britannica.com/eb/a-z/s/25

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Sanidine

San'i·dine noun [ Greek .... ..., 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 .
Found on http://www.encyclo.co.uk/webster/S/14

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Sanidine

Sanidine is a clear, glassy, often cracked variety of orthoclase feldspar, which is confined to modern volcanic rocks, such as trachyte, rhyolite and phonolite. It is found in the Rhine, Italy and Hungary.
Found on http://www.probertencyclopaedia.com/browse/HS.HTM

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Sanidine

(Potasium Aluminum Silicate) Sanidine is a polymorph of other minerals that share the same chemistry but have different crystal structures. If positive identification between these minerals can not be made by field methods then the specimen may simply be refered to as a potassium feldspar or K-spar. Plagioclase feldspars lack p...
Found on https://www.encyclo.co.uk/local/23719

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