Size: 20mm-L x 25mm-W x 20mm-D
Qty: 21 Beads / Length: 16 in.
Weight: 157.6 g.

Agate is a vibrantly colorful, often banded variety of Chalcedony Quartz. It was discovered sometime between 400 and 300 BC by a Greek Philosopher named Theophrastus. It often occurs in volcanic rocks and ancient lava flows. A petrified wood variant of Agate is found in abundance in Arizona.

Mohs' Hardness Scale: 6.5-7