Learn about Malachite
vivid green banded crystals and botryoidal forms from copper deposits; color varieties, formation clues, and identification tips for collectors.79 Mine
79 Mine, Arizona — classic oxidized Pb-Zn-Cu-Ag locality near Hayden, famed for pastel smithsonite, blue hemimorphite, wulfenite, and aurichalcite; highly coll…
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