Amethyst Cluster - Brazil Vanadinite is easily identifiable from

Vanadinite is easily identifiable from its hexagonal crystals

Here we have a specimen that was mined in Morocco

red tiger eye is often put through a similar process

Blue Tiger Eye

Amethyst Cluster - Brazil Vanadinite is easily identifiable fromSize: 2. 7 in. Weight: 4. 0 oz Location: Brazil 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 present. Rio Grande do Sul, Brazil