Amethyst 4x6mm Irregular Heishi - 15-16 Inch Size_2-3mm Pietersite has been called the

Pietersite has been called the Tempest Stone for its colors of deep blue and gray with metallic gold and flashes of brilliant chatoyancy as it catches the light

but those varieties are transparent

The color of Green Aventurine comes from Fushite particles within the quartz

producing the effect of the stone seeming to shine from within

Amethyst 4x6mm Irregular Heishi - 15-16 Inch Size_2-3mm Pietersite has been called theAmethyst 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