(ˈsɪməʊˌlaɪt) n (Minerals) a soft, clayey mineral of white, grey, or reddish coloration
cimolite
cimolite
[′sim·ə‚līt] (mineralogy) 2Al2O3·9SiO3·6H2O A white, grayish, or reddish mineral consisting of hydrous aluminum silicate occurring in soft, claylike masses.