Chrysocolla & Malachite - Congo
Chrysocolla & Malachite - Congo
Location: Katanga Copper Crescent, Katanga, Democratic Republic of Congo
Size: 3.8 x 2.5 x 1.8 inches
Nice showy piece that can highlight a collection and has a lot of character when viewing up close.
Mineral Species Information
Chrysocolla has a blue to blue-green color and is a minor ore of copper, having a wide range of hardness from 2.5 to 7.0. It is a secondary mineral, commonly associated with other secondary copper minerals. It is usually found as glassy botryoidal or rounded masses or bubbly crusts.
Malachite is a green copper carbonate hydroxide mineral that does not fade over time or when exposed to light and was one of the first ores used to produce the metal copper. It was one of the first ores used to obtain the metal copper. Malachite has been used as a sculptural material for thousands of years. Malachite forms at shallow depths in the oxidizing zone of copper deposits