MALACHITE : The name is derived from the Greek word "Malakhe" meaning "Mallow", evidently because of the colour. It is also known as the "Kidney Stone". It is not often used as a gem. It is much admired, as an ornamental material and is quite highly priced for its category, especially when the attractiveness of the material is matched by fine workmanship.

Appearance : The colour is always green, varying from a mid green which can be described as mallow green, to very dark even blackish green. It has a very striking colour.

Occurrence : Large quantities are found in Africa, Australia, Russia, U.S.A., Zambia.

Substitute : It has not been imitated and is not produced synthetically.

Chemical Composition : HYDRATE COPPER CARBONATE.