Tumble polish Banded or Chevron Amethyst. Banded Amethyst is formed by the layering of Quartz, Milky Quartz, or Hematite. These are approximately 15-20mm each.
*Because of Mother Nature's varied palette, each stone will be unique.
Mineralogy: Amethyst is a type of Quartz (silicon dioxide), one of the most abundant minerals in the earth's crust. It occurs in a wide variety of igneous, metamorphic, and sedimentary rocks. Quartz varieties are commonly separated into two groups based on the size of the individual grains or crystals -- microcrystalline quartz (in which individual crystals are distinguishable with the naked eye) and cryptocrystalline quartz (in which the individual crystals are too small to be easily distinguishable even under a microscope). Amethyst is the purple variety of quartz, getting its hue from gamma-irradiation of trace amounts of iron in its structure.
Metaphysical and Energy Healing Properties: Amethyst is a stone that helps one step into a spiritual path. It is a very relaxing stone that helps one overcome anxiety, stress, and depression as it helps one see their true purpose and highest potential in this lifetime. It is excellent to use in space as it helps maintain calm energy that serves a higher good. It is one of the most important crystals for those new to beginners.