Composed of microscopic crystals of Quartz laid down in colorful bands or ribbons. The appearance of the stone is waxy and soft. Almost always translucent and occasionally transparent. Agates are grounding stones. Agates are one of the oldest good
Amethyst ranges in color from pale purple to deep purple. Bands of color are common in specimens from some regions. Heating amethyst causes the color to change to yellow or gold, turning the amethyst into citrine (yellow quartz).