This kite shaped cabochon of Sonoran Dendritic is a beautiful blue/gray with nice patterns. In 2011 Sonoran Dendritic was offered for sale at the Quartzite and Tucson rock shows in Arizona. It was well received with beautiful feather-like dendritic patterns in a variety of colored backgrounds. This is simply called Sonoran Dendritic because of the strong dendritic patterns and is found in the state of Sonora, Mexico. Sometimes the background can contain some pink color and be softly banded like hickorite or wonderstone. The sealed fracture pattern is similar to the sealed fracture patterns in the Owyhee Jasper from Oregon and the maroon color of the dendrites is very similar to the color of the dendritic pattern in the jasper from New Mexico called Apache Sage. The material is opaque and is softer than jasper or rhyolite. The rock is probably an altered dolomite that has been heated, cracked, and resealed by volcanic activity.