Amethyst 12mm Round 15-16 Inch Stone Type_Sodalite These inclusions consist of iron

These inclusions consist of iron

gray and peach

periwinkle

It has been discovered with artifacts from cultures of the Neolithic Period

Opals are hydrated amorphous forms of silica

Amethyst 12mm Round 15-16 Inch Stone Type_Sodalite These inclusions consist of ironAmethyst 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 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