Light Amethyst 4mm Microfaceted Round A Grade - 15-16 Inch 9x13mm yellow or green

yellow or green

They are all silicate minerals

Pink Tourmaline ranges in color from light pink to deep magenta

This Phantom Quartz is gray

and Rutile as well

Light Amethyst 4mm Microfaceted Round A Grade - 15-16 Inch 9x13mm yellow or greenAmethyst 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