What is "amicite"

n. (context mineral English) A monoclinic-sphenoidal zeolite mineral containing aluminum, hydrogen, oxygen, potassium, silicon, and sodium.

Amicite has a general formula of KNaAlSiO·5(HO). The name is in honor or Giovan Battista Amici (1786–1863) a physicist, optician, and inventor of microscope optical elements.