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Chalcoalumite from Bisbee
by cobalt123 on Flickr
azurite, malachite and copper
Supernova N49 (NASA, Chandra, 11/29/2006)
Azurite crystals with Malachite from the National Mineral Collection.
amethyst crystals in agate geode / Mineral Friends ♥
PYRITE on CALCITE :: Iouriren Mine, Akka, Tiznit Province, Morocco, Africa
A murmuration of starlings.