Blue Opal 4mm Microfaceted Round - 15-16 Inch R1573 soft and glassy stone

soft and glassy stone

and it can be mottled or striated with veins of these colors

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

It is known for its colors -- dark green and mustardy yellow

black or brown veins running through it in web to like patterns

Blue Opal 4mm Microfaceted Round - 15-16 Inch R1573 soft and glassy stoneBlue Peruvian Opal naturally occurs with swirling patterns of deep blues, blue to greens and greens swirled with yellow to green, rust, brown and orange. It is highly prized for its beautiful combinations of colors and for its opalescence the pearly luster of the opaque stone. Peruvian Opal was considered by the Incas to be a gift from Pachamama, the Inca Goddess of Fruitfulness and Mother Earth.