Malachite 15-22x23-33mm AAA Grade Medium Free Form Cabochon Brazilian and yellow

and yellow

Generally this material is used for transistors and heat sinks and only recently has been used for jewelry and healing

When skillfully cut and polished

it is a relative newcomer to the gem market

Malachite 15-22x23-33mm AAA Grade Medium Free Form Cabochon Brazilian and yellowMalachite is a copper carbonate with a bright green color and dark green banding. Usually found near copper deposits, it is formed through the combination of carbonated water, limestone and copper. Famous malachite mines in the Ural mountains of Russia once produced 20 to ton blocks of the stone, while today it is primarily mined in Africa. Malachite was used extensively as decoration in the palaces of Russian tsars and forms the columns of St. Isaacs