Banded Amethyst and Citrine 6-8mm Pebble - 15-16 Inch 4X6-6X10mm Natural Agate is a variety

Natural Agate is a variety of banded Chalcedony

red and magenta hues

Chrysocolla was first described by Theosphrastus

The yellowish colors of heliodor are usually caused by small amounts of iron within the mineral's crystal structure

Banded Amethyst and Citrine 6-8mm Pebble - 15-16 Inch 4X6-6X10mm Natural Agate is a varietyAmethyst 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