according to the Mohs hardness scale
features intricate light brown patterns on dark brown stones
rendering its black especially deep and mysterious
Ruby was valued more highly than any other gem
Blue Tiger Eye is a naturally occurring dark stone with chatoyant layers that create a flash which seems to emanate from within the stone as they catch the light
Mookaite 10mm Round - 15-16 Inch New Rounds according to the Mohs hardnessMookaite 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