Peach Stilbite on Black Chalcedony

Black Chalcedony is a form of Chalcedony a cryptocrystalline variety of Quartz, a silicon dioxide mineral, that is composed of sub-microscopic particles of Quartz and can be translucent to opaque in appearance. The colour range is black, dark grey/black. The frequency of black Chalcedony connects to the base chakra.

Specs
7.5 lbs
9.5x6x4.5 inches 

Note: This specimen has a natural crack along the middle (photos provided).