This matrix copper specimen exhibits a bright, elegant, sculptured, dendritic, crystal growth. The largest crystal is .6 cm across, near the top of this specimen. In the same area, secondary malachite growth has given that part of the specimen an iridescent glow. Very aesthetic! Chuck Youngblood owned a rock and jewelry shop in Bisbee for decades and sold his personal Bisbee collection to the Stoudts some years ago, 1998..