potassium feldspar
Noun
Meaning
potassium feldspar (plural potassium feldspars)
(mineralogy) Any of several alkaline feldspars containing potassium aluminium silicate, KAlSi3O8
Noun
potassium feldspar (plural potassium feldspars)
(mineralogy) Any of several alkaline feldspars containing potassium aluminium silicate, KAlSi3O8