apofilit

listen to the pronunciation of apofilit
التركية - الإنجليزية
apophyllite
Any of several forms of a pale pink or green mineral being a mixed fluoride and silicate of potassium and calcium
A mineral relating to the zeolites, usually occurring in square prisms or octahedrons with pearly luster on the cleavage surface
It is a hydrous silicate of calcium and potassium