malachites

Malachite is a striking green copper carbonate hydroxide mineral with the chemical formula Cu2CO3(OH)2. It is known for its distinctive banding patterns, which can range from light to dark green, creating intricate concentric circles or eye-like shapes. These bands are formed by variations in the mineral's structure and the presence of other trace elements during its formation.

Malachite is a secondary mineral, typically forming in the oxidized zones of copper deposits. It is often found associated with other copper minerals like azurite and cuprite. The mineral is relatively soft, scoring a 3.5 to 4 on the Mohs hardness scale, making it susceptible to scratching. Its luster can be dull to silky.

Historically, malachite has been used for a variety of purposes. It has been powdered and used as a pigment in paints and cosmetics for centuries, prized for its vibrant green color. It has also been carved into ornamental objects, jewelry, and decorative items. Large deposits have been found in various locations worldwide, including Russia, the United States, Australia, and the Democratic Republic of Congo. While beautiful, malachite can release copper if ingested, and proper handling is advised.