3-1/2" Faden QuartzFaden Quartz occurs when Quartz crystals grow in a fault zone, where earthquakes and other movement in the earth cause the crystal to grow in beautiful chain like patterns. As the earth splits further and further apart, quartz deposits add upon each other and create a bridge between the widening gap in the earth. This constant movement and change in environment makes these crystals have fascinating formations that are admired by collectors