Malachite 5x10-20mm Top Drill Teeth - 15-16 Inch Hexagon Agate is one of many

Agate is one of many varieties of banded Chalcedony

brown and orange

Opalite is the trade name for man to made glass treated to exhibit the internal flashes of true Opals in translucent samples

Canada in 1770 and named for the area

a 19th-century German professor of chemistry and mineralogy

Malachite 5x10-20mm Top Drill Teeth - 15-16 Inch Hexagon Agate is one of manyMalachite 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