Sample of malachite. Malachite is a copper carbonate hydroxide mineral with the formula Cu2CO3(OH)2. It is formed from weathering of copper ores, espe

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Sample of malachite. Malachite is a copper carbonate hydroxide mineral with the formula Cu2CO3(OH)2. It is formed from weathering of copper ores, especially around limestone deposits. It was used as a green pigment until the 19th century and subsequently for decorative purposes.

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Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
Model Released: No

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