Quartzoid definitions

Quartzoid

• (n.) A form of crystal common with quartz, consisting of two six-sided pyramids, base to base.
Found on http://thinkexist.com/dictionary/meaning/quartzoid/

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Quartzoid

Quartz'oid noun [ Quartz + - oid .] (Crystallog.) A form of crystal common with quartz, consisting of two six-sided pyramids, base to base.
Found on http://www.encyclo.co.uk/webster/Q/6

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