Min. [f. Gr. κόνις dust + -LITE.
So named in 1821 by MacCulloch, who had previously (1819), called it CONITE, unaware that this had previously (1795), been applied by Retzius to a variety of dolomite.]
A powdered form of silica found in the cavities of trap.
1821. MacCulloch, in Q. Jrnl. Sc., XI. 219.
