Its name comes from the Greek "malakhé" which refers to the purple, because of the similar colour of the leaves of this plant.
The malachite is a carbonate that forms in the oxidation zone of sulphide of copper, it is often associated with theazurite and native copper. The copper content is at the origin of its green supported.
1/Vase and its piédestral in Malachite of 1830, the Palace Demidov, Saint Petersburg, Russia.
The malachite is exploited by the egyptians in 4000 bc J-C in the copper mines of Sinai, she is known to greeks and romans and mentioned by Pliny the elder in his Natural History of the World. In the Seventeenth century, in the region of theUral mountains in Russia, the first deposits were discovered and in 1830, it is used for the manufacture of objects of art and decorations inside, this is the century of gold of the malachite. The many inclusions that make it impossible to work large pieces, the technique of slivers of malachite cut into tiles in the manner of the Florentine is called "mosaic Russian", the malachite in clear color is the most sought after. The Room Malachite of the Palace Demidov of St. Petersburg, completed in 1839, was used as a reception room for the Empress Alexandra, wife of tsar Nicholas I.
Since several tens of years, the malachite comes mainly from the Mine de l'etoile and the region of Lubumbashi in Katanga in the democratic Republic of the Congo (ex-Zaire), in the form of animal carvings, boxes or ashtrays.
1/Salle Malachite of the Palace Demidov in St. Petersburg, Russia. 2/Technique called the "mosaic Russian" assembly of plates of malachite. 3/Present of the czar Nicholas to the emperor Napoleon. Grand Trianon, Versailles. 4/Malachite, or the room of the Emperor, Grand Trianon, Versailles.