Min. [ad. F. spessartine (Beudant, 1832), f. Spessart a hilly district in north-western Bavaria, where it is found: see -INE5.] A species of manganese garnet.
1850. Ansted, Elem. Geol., Min., etc. 190. Spessartine is the name given to a deep red garnet in which protoxide of manganese replaces the lime of the usual formula, so that it becomes silicate of alumina and manganese.
1888. Rutley, Rock-Forming Min., 112. Spessartine, or manganese-alumina garnet, occasionally exhibits a red, or yellowish-red colour.
So Spessartite [-ITE1 2 b.]
1887. in Cassells Encycl. Dict.
1896. in Chester.