Definitions
1.NounA monoclinic white mineral containing aluminum, calcium, hydrogen, oxygen, and silicon.
2.Noun↑ Sweet, Jessie M.; Bothwell, D. I.; Williams, D. L. (June 1961), “Tacharanite and other hydrated calcium silicates from Portree, Isle of Skye”, in Mineralogical Magazine and Journal of the Mineralogical Society, volume 32, number 253, →Bibcode, →DOI, →ISSN, pages 745–753