Spirit Amethyst - South Africa similar to those made of

similar to those made of obsidian

dark in color due to impurities found in the crystals

These little fellas are thought to be responsible for helping create the first oxygen-rich atmosphere on Earth

The detail in this specimen is amazing

Spirit Amethyst - South Africa similar to those made ofSize: 1. 6 x 1. 6 in. Weight: 1. 45 oz Location: Mpumalanga, South Africa, Africa Amethyst is arguably the most popular mineral known to man. Many people are familiar with the beauty of its purple hues. Amethyst is a variation of quartz that contains trace amounts of iron. When the mineral is exposed to radioactive gamma rays, it is irradiated, producing the purple color we know and love. The saturation of the amethyst depends on the amount of iron