Onyx - WikipediaOnyx is a banded variety of the oxide mineral chalcedony. Agate and onyx are both varieties of . Onyx comes through Latin (of the same spelling), from the Greek ὄνυξ, meaning "claw" or "fingernail". .. Jump up ^ Firefly Guide to Gems By Cally Oldershaw, p.168; Jump up ^ The Mining World, Volume 32, June 25, 1910,.onyx mines south africa,Onyx: Onyx mineral information and data. - MindatThis is a carbonate material and is not true Onyx. . Careless use of these names has resulted in the term 'Onyx' being incorrectly . Latin:Onyx . Buy RARE Minerals from Rocks of Africa · Buy minerals from Anton Watzl .. Montana Onyx Mine.
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