noun
potash feldspar
A potassium-rich feldspar mineral, common in granite and other igneous rocks. Technical term used in geology and mineralogy.
花崗岩にはカリ長石が多く含まれている。
Granite contains a lot of potash feldspar.
Compound of カリ (potash, from Dutch 'kali' or German 'Kali') and 長石 (feldspar).