Malachite 15mm AAA Grade Coin Cabochon TN08252022 Garnet is used today not

Garnet is used today not only as an ornamental gem

The name "topaz

the mineral was named for French paleontologist Eugene Durmortier (1803 to 1873)

Biotite is a name used for a large group of black mica minerals that are commonly found in igneous and metamorphic rocks

West African Jade is a complex Calcium Aluminum Silicate and is a Nephrite Jade

Malachite 15mm AAA Grade Coin Cabochon TN08252022 Garnet is used today notMalachite 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