Chrysocolla
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Chrysocolla is a hydrous copper phyllosilicate mineral and mineraloid with the formula Cu2 – xAlx4⋅nH2O or 2H2Si2O54⋅nH2O.
Chrysocolla specimen from Ray mine, in the Scott Mountain area of Mineral Creek District, Pinal County, Arizona, US
Powder-blue chrysocolla as stalactitic growths and as a thin carpet in vugs inside a boulder of nearly solid tyrolite, from the San Simon Mine, Iquique Province, Chile (size: 14.1 cm × 8.0 cm × 7.8 cm (5.6 in × 3.1 in × 3.1 in))
Banded white to blue green chrysocolla, from Bisbee, Arizona (size: 12.2 cm × 5.5 cm × 5.2 cm (4.8 in × 2.2 in × 2.0 in))
Chrysocolla and silver bolo tie. This chrysocolla specimen is from the Kennecot Copper Mine in Bingham Canyon, West Valley City, Utah.
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,
Chrysocolla
…of 2.5 to 7.0. It is of secondary origin and forms in the oxidation zones of copper ore bodies. Associated minerals are quartz, limonite, azurite, malachite, cuprite, and other secondary copper minerals. It is typically found as botryoidal or rounded masses and crusts, or vein fillings. A 2006 study has…
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.