Plymouthite Definition
Definition
A mineral, usually a variety of crocidolite (blue asbestos), that is found in the Devonian-aged copper ores of the Bybrook mine at Plymouth, Cumberland, England, hence the name.
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A mineral, usually a variety of crocidolite (blue asbestos), that is found in the Devonian-aged copper ores of the Bybrook mine at Plymouth, Cumberland, England, hence the name.
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