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Brimstone

Minerals & Metals of the Bible (Part I)

Story and Photos by Steve Voynick The Bible references minerals and metals more than 1,700 times, using such familiar phrases as “fire and brimstone,” “pieces...
Pyrolusite dioxide

Rock Science: Pyrolusite and Manganese

By Steve Voynick Manganese is an element that we rarely, if ever, see in its metallic state, but that nevertheless plays a big part of...

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