Blue Opal 10x20mm Nugget - 15-16 Inch Peach who performed early research into

who performed early research into the many optical properties of mica

These mines are also famous for sourcing North-American Jasper

but rather a dark variety of Carnelian

discovered a way to improve the quality of turquoise in the 1980's

Terra Agate contains the best of nature in a variety of small shapes

Blue Opal 10x20mm Nugget - 15-16 Inch Peach who performed early research intoBlue 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.