potassium feldspar

English

Noun

potassium feldspar (plural potassium feldspars)

1. (mineralogy) Any of several alkaline feldspars containing potassium aluminium silicate, KAlSi₃O₈

See also

• adularia
• antiperthite
• foyaite
• microcline
• orthoclase
• perthite
• sonidine
• valencianite