Quartzoid
Pronunciation : Quartz"oid
Part of Speech : n.
Etymology : [Quartz + -oid.] (Crystallog.)
Definition : Defn: A form of crystal common with quartz, consisting of two six- sided pyramids, base to base.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder