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CerauniumThe opal. So called by the ancients from a notion that it was a thunder-stone. (Latin, ceraunium; Greek, keraunios.) Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894
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CerauniumThe opal. So called by the ancients from a notion that it was a thunder-stone. (Latin, ceraunium; Greek, keraunios.) Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894
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