Sentence Examples with the word cupreous

Beside this I got a rare mess of golden and silver and bright cupreous fishes, which looked like a string of jewels.

Newfoundland yields cupreous pyrites, worked at Pilley's Island, whilst the nickeliferous pyrites of Sudbury in Ontario is partly magnetic (see Pyrrhotite).

Then follows Portugal, with its important output of cupreous pyrites.

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The principal fluctuations in production were as follows: It should be noted also that from imported cupreous iron pyrites, copper, gold and silver are extracted at some fifteen metal extraction works in Great Britain.