Amethyst Tumbled Gemstones from Brazil - 20-40 mm - 1 LB. LOT

Quantity: 1 pound

Pieces measure approximately 20-40 millimeters.

Amethyst is a violet gemstone that occurs when quartz containing significant iron impurities and other trace elements undergoes natural geological irradiation over long periods of time, altering the color. Variations in color occur based on the amount of iron and the specific trace elements present in the original quartz.