Malachite 7x9-8x10mm Pebble - 15-16-Inch gray this opal variety is characterized

this opal variety is characterized by their dark base tone

but can be distinguished by its structure and its lower relative hardness

Its name is taken from the Greek word “rhyax

Boulder Opal is believed to help with spiritual development

Malachite 7x9-8x10mm Pebble - 15-16-Inch gray this opal variety is characterizedMalachite 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