Semiopal definitions

Semiopal

• (n.) A variety of opal not possessing opalescence.
Found on http://thinkexist.com/dictionary/meaning/semiopal/

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Semiopal

Sem'i·o`pal noun (Min.) A variety of opal not possessing opalescence.
Found on http://www.encyclo.co.uk/webster/S/64

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