Atlantisite Stichtite 10mm Round - 15-16 Inch Australian Boulder Opal including browns

including browns

created when silica hardens within the fissures of other stones

Naturally occurring in hues of blue to green to green with spots and streaks of red

These flecks glitter as they catch the light and may appear white against the dark blue of the glass

Atlantisite Stichtite 10mm Round - 15-16 Inch Australian Boulder Opal including brownsStichtite is a mineral, a carbonate of chromium and magnesium. Its color ranges from pink through lilac to a rich purple color. Discovered in 1910 on the west coast of Tasmania, Australia, it was first recognized by A. S. Wesley a former chief chemist with the Mount Lyell Mining and Railway Company, it was named after Robert Carl Sticht the manager of the mine. The only commercial mine for stichtite serpentine is located on Stichtite Hill.