Amethyst 8x10-9x13mm Side Drilled Pebble - 15-16 Inch R0862 Since this is a natural

Since this is a natural stone

Tourmaline and Pyrite

which are classed as minerals

Blue Green Quartz

Amethyst 8x10-9x13mm Side Drilled Pebble - 15-16 Inch R0862 Since this is a naturalAmethyst is a beautiful purple stone, known as a Gem of Fire by ancient cultures. It has been greatly sought after throughout history and was at times valued as highly as Diamond. Today, this semi to precious variety of quartz is found in many locations around the world. The presence of Manganese within the stone produces the purple hue, and variation of the amount of iron in the stone creates a color range from reddish purple to deep violet to light