Malachite 4mm Coin Faceted - 15-16 Inch L02 who performed early research into

who performed early research into the many optical properties of mica

and was prized in ancient times for the ultramarine dye derived from it

is a deep blue metamorphic rock used as a semi-precious stone that has been prized since antiquity for its intense color

as it is softer than both Jasper and Rhyolite

” which translates to “stone of many colors

Malachite 4mm Coin Faceted - 15-16 Inch L02 who performed early research intoMalachite 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