Quartzoid
Quartz´oid
n. | 1. | (Crystallog.) A form of crystal common with quartz, consisting of two six-sided pyramids, base to base. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
n. | 1. | (Crystallog.) A form of crystal common with quartz, consisting of two six-sided pyramids, base to base. |