QUARTZOID
Source: 567
Quartz″oid (?), n. [[Quartz + -oid.]] (Crystallog.) A form of crystal common with quartz, consisting of two six-sided pyramids, base to base.
Source: 567
Quartz″oid (?), n. [[Quartz + -oid.]] (Crystallog.) A form of crystal common with quartz, consisting of two six-sided pyramids, base to base.