Elisa Turquoise 5-6mm Pebble - 15-16 InchThis 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

laced with bands or swirls of brighter blue

whose color often caused ancient jewelers to confuse it with Emerald

The different species are pyrope

Mined in Norway

The colors

and because its hardness has made the stone perfect for beads and cabochons

This lava rolled across the landscape

a hydrous copper silicate

colorless stone

By soaking the stone in a non-toxic chemical solution

The mines these stones are sourced from are primarily copper mines

though treated stones have more potassium in them than before