Crocoite only grows if the conditions are perfect: an oxidation zone of lead ore bed and presence of
Crocoite only grows if the conditions are perfect: an oxidation zone of lead ore bed and presence of ultramafic rocks serving as the source of chromium – which makes the mineral both very rare and toxic. #science #nature #geology #minerals #rocks #infographic #earth #toxic #crocoite #redlead -- source link
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