Malachite
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Malachite is a copper carbonate hydroxide mineral, with the formula Cu2CO32. This opaque, green-banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous,
The entrance to the Neolithic era malachite mine complex on the Great Orme, Wales
Malachite in the walls of Outokumpu's old mine
The funerary mask of the Red Queen of Palenque is made from a mosaic of malachite.
Azurite
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Azurite or Azure spar is a soft, deep-blue copper mineral produced by weathering of copper ore deposits. During the early 19th century, it was also known as chessylite, after the type locality at Ches
Malachite
…the means for chemical precipitation. Individual crystals are rare, but occur as slender to acicular prisms. Pseudomorphs after more tabular or blocky azurite crystals also occur. The stone's name derives (via Latin: molochītis, Middle French: melochite, and Middle English melochites) from Greek Μολοχίτης…
Azurite from New Nevada lode, La Sal, Utah, United States
Chemical structure of azurite. Color code: red = O, green = Cu, gray = C, white = H)
Azurite from Burra Mine, South Australia
Ground azurite for use as a pigment