Spirit Amethyst - South Africa The filling of these cavities

The filling of these cavities with element-rich waters would cause the geometric formation opposed to the normal "bubble" geode

Stones: Rhodonite

There are over 20 known but only 5 are most commonly used for jewelry

commercial-grade citrine is often amethyst that has been heated to extreme temperatures

Spirit Amethyst - South Africa The filling of these cavitiesAmethyst 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. Spirit Amethyst, also known as spirit quartz and pineapple quartz, is a