SWJ0128 - Premium Grade Clear Quartz Crystal Cluster from classical Arkansas (USA) location Crotalocephalina while the Strunz classification scheme

while the Strunz classification scheme lists it as a tectosilicate

6cmRef: M13 -13020Fifty million years ago ancient Fossil Lake existed in what is now southwest Wyoming

Here they were shown more than one ton of specimens stacked in the courtyards of two house compounds

This partial jaw was broken in small sector during the initial collecting efforts but all parts were put back together and there is no restoration and no fabrication

Environments: marine (31 collections)

SWJ0128 - Premium Grade Clear Quartz Crystal Cluster from classical Arkansas (USA) location Crotalocephalina while the Strunz classification schemeThis is a gorgeous clear quartz crystal cluster that was collected from the classical Arkansas location. Top quality cluster. Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 siliconoxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2. Quartz is the second most abundant mineral in Earth's continental crust, behind feldspar. There are many different