A stunning "geode" composed of a complete crust of beautiful blue Shattuckite, .4 cm thick all the way around, accented by Malachite and Quartz. The opening is 4 x 2 cm, and 5 cm deep. The vivid blue on the outside is contrasted to the sparkling stark white inside, as the thin quartz layer has covered shattuckite inside the vug. It sparkles like sugar. Ex. Charlie Key.