Malachite 4mm Round Faceted - 15-16 Inch R1626 Mexican Laguna Lace Agate is

Mexican Laguna Lace Agate is one of the most prized agates in the world

Blood Quartz is a clear to milky-white silicon dioxide mineral

but also for industrial purposes from watch gears and scientific instruments to sandpaper and other abrasives

It's actually a pink variety of Beryl -- the family of gemstones that also includes Aquamarine

Azurite often occurs with green Malachite

Malachite 4mm Round Faceted - 15-16 Inch R1626 Mexican Laguna Lace Agate isMalachite 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