Elisa Turquoise 8-12x12-20mm Graduated Oval Nugget Bead - 15-16 Inch Tanzania but a form of natural

but a form of natural Serpentine which is commonly referred to as Yellow Jade in the stone industry

especially in bead form

it has often been used as a substitute

Crazy Lace Agate is a banded Chalcedony that in its natural form is predominantly white with layers of brown

Historically

Elisa Turquoise 8-12x12-20mm Graduated Oval Nugget Bead - 15-16 Inch Tanzania but a form of naturalThis turquoise is mined from the Sonora mines in Mexico. Like all other natural turquoise, its coloring is the result of the chemical reaction that occurs when copper is introduced to water. These stones have unique green pigmentation when compared to other turquoise sourced from the region, which tends to be a strong blue color. These mines are also famous for sourcing North American Jasper, an elusive stone with unique coloring. The mines these