- Origin: Congo
- Size: H8cm W26cm D5.7cm
- Weight: 5.7 Kg
- Description: Malachite piece polished to front side, to reveal the varities of green shades via a number of botryoidal natural forms created over million of years in a natural process. Lateral small-scale chrysocolla inclusions are visible as well.
- Additional information: Malachite, a minor ore but a widespread mineral of copper, basic copper carbonate, Cu2CO3(OH)2. Because of its distinctive bright green colour and its presence in the weathered zone of nearly all copper deposits, malachite serves as a prospecting guide for that metal. Malachite has been used as an ornamental stone and as a gemstone for centuries.