Malachite ball | Congo

• Origin: Congo
• Size: H13cm W13cm D13cm
• Weight: 4.4kg
• Description: Cut, polished and supported on a translucent stand, with an interplay of various intense green tones.
• Additional information: Malachite, a minor ore but a common mineral of copper, basic copper carbonate, Cu2CO3(OH)2. Because of its characteristic bright green color and its occurrence in the weathered zone of nearly all copper deposits, malachite serves as a prospecting aid for this metal. Malachite has been used as an ornamental stone and as a gemstone for centuries.