Biotite is a name used for a large group of black mica minerals that are commonly found in igneous and metamorphic rocks
Opalite is the trade name for man to made glass treated to exhibit the internal flashes of true Opals in translucent samples
The presence of Manganese in the stone produces its color
as well as other non-standard crimp bead and tube sizes
†which translates to “stone of many colors
Mookaite 7x9-8x10mm Pebble - 15-16 Inch Agua Nueva Agate Biotite is a name usedMookaite is a variety of Jasper in colors of red, burgundy, pink, mauve, purple, yellow and white. It takes its name from Mooka Creek, near the Kennedy Ranges of Australia, the only region in the world where the stone is found. Mookaite is formed by the ancient skeletal remains of radiolaria, a microscopic protozoa with a silica shell, that were deposited in shallow sea beds. This later combined with additional silica in the groundwater as well as the