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bijoux-et-mineraux: Malachite Egg – Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo Geology Nerd
ifuckingloveminerals: Azurite, Malachite Copper Queen Mine, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA Geology Nerd
bijoux-et-mineraux: Polished Malachite Stalactite – Copper Crescent, Congo Geology Nerd
rockon-ro: AZURITE and MALACHITE (Copper Carbonate) from Hubei Province, China. Geology Nerd
rockon-ro: BORNITE (Copper Iron Sulfide) also known as peacock ore due to the colourful tarnish. Geology Nerd
cosmic-crystalss: Covellite: a rare copper sulfide mineral, a stone for healing broken relationships and increasing the amount of love in ones life. Geology Nerd
A new study presents evidence that the rise of atmospheric oxygenation did indeed occur 2.4-2.1 billion years ago. It also shows that biological usage of copper became prominent after the so called ‘Great Oxidation Event.’ Paleontology News — ScienceDaily
earthshaped: Copper Replacement Agate Geology Nerd
mineralists: Spinel law twinned Copper crystalBroken Hill Mine, Australia Geology Nerd