Min. [named 1821 by Brewster after Earl Compton who brought it from Vesuvius: see -ITE.] A mineral of the zeolite family, occurring in cavities of trap-rock and old lavas; the same as THOMSONITE.
1822. Cleaveland, Min., 386.
1865. Page, Hardbk. Geol. Terms, Comptonite … occurring with calc-spar and other zeolitic minerals.
1869. Phillips, Vesuv., xi. 305. Comptonite and analcime are found with many other minerals.
