Sunday, 13 October 2013

CORUNDUM


Corundum for abrasives is mined in zimbabaw, russia, sri lanka and india Historically it was mined from deposits associated with dunites in norand from nepth california usahline syenite  in craigmont ontario emery.emery grade corundum is found on the greek island of naxos and near new york, USA. Abrasive corundum is synthetically manufactured from bauxite

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