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单词 potassium feldspar
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potassium feldspar


potassium feldspar

n. Any of several varieties of alkali feldspar, including sanidine, orthoclase, microcline, and adularia, that contain a high proportion of potassium relative to sodium. Also called K-feldspar, K-spar.

potassium feldspar


potassium feldspar

[pə′tas·ē·əm ′fel‚spär] (mineralogy) Any alkali feldspar (orthoclase, microcline, sonidine, adularia) containing the molecule KAlSi3O8. Incorrectly known as K feldspar; potash feldspar.
ThesaurusSeeorthoclase
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