Ethiopian Opal Dangle Earrings 6ce5a115df5a3cbe96f1f1ece394c5d1 and iron plus vanadium results

and iron plus vanadium results in orange stones

This comes from small amounts of chromium replacing some of the aluminum

The black mussel shell is finely polished until the texture is smooth and shiny

Amethyst is a variety of quartz which owes its coloration to the presence of iron in the area of its formation

Ethiopian Opal Dangle Earrings 6ce5a115df5a3cbe96f1f1ece394c5d1 and iron plus vanadium resultsOpal is composed of hydrated silica. It is an amorphous silicate, meaning it does not form crystals. Opals are structurally composed of tiny spheres of silica, which when arranged in perfect geometry create the famous play of color associated with the stones. The arrangement of silica balls acts like a prism, which allows the rainbow spectrum of colors to be visible to the naked eye. Opal has been a stone of myth and mysticism for thousands of years.