Blue Opal 10x20mm Nugget - 15-16 Inch Peach This semi to translucent stone

This semi to translucent stone occurs in an array of hues

as well as colorless

but rather a dark variety of Carnelian

who performed early research into the many optical properties of mica

Blue Opal 10x20mm Nugget - 15-16 Inch Peach This semi to translucent 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.