Mundic

Mundic was used from the 1690s to describe a copper ore that began to be smelted at Bristol and elsewhere in southwestern Britain. Smelting was carried out in cupolas, that is reverberatory furnaces using mineral coal. For more details, see copper extraction. Mundic once referred to pyrite, but has now adopted the wider meaning of concrete deterio...
Found on http://en.wikipedia.org/wiki/Mundic

Mundic

• (n.) Iron pyrites, or arsenical pyrites; -- so called by the Cornish miners.
Found on http://thinkexist.com/dictionary/meaning/mundic/

Mundic

Mun'dic noun Iron pyrites, or arsenical pyrites; -- so called by the Cornish miners.
Found on http://www.encyclo.co.uk/webster/M/116
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