microcline

About 0.17 uses per million words.

Meaning

1. noun A common feldspar of igneous, plutonic, and metamorphic rocks, made of potassium aluminum silicate, with the chemical formula KAlSi3O8.

Similar words

perthite perthitic twinned orthoclase clinoholmquistite plagioclase kalinite clinozoisite nimite potassium feldspar

Often followed by

and is in granite perthite are with crystals or

Word family

microclines