Learn about Azurite
deep blue copper carbonate with prismatic and botryoidal forms; alters to malachite; Mohs 3.5–4; identify color, habit, and notable localities.Chelyabinsk Oblast
A collector's guide to Chelyabinsk Oblast, Russia: its geology, mining history and notable minerals, illustrated with the 43 specimens documented from this locality on EarthWonders.
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