potassium feldspar
English
Noun
potassium feldspar (plural potassium feldspars)
- (mineralogy) Any of several alkaline feldspars containing potassium aluminium silicate, KAlSi3O8
See also
- adularia
- antiperthite
- foyaite
- microcline
- orthoclase
- perthite
- sonidine
- valencianite
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