SWJ0127 - Top Huge Smokey Quartz Crystal Cluster from classical Arkansas (USA) location Lochovella (Reedops) • Silurian of Algeria (2)

• Silurian of Algeria (2)

Stenopareia

Protopresbynileus

djerfisherite and caswellsilverite)

Ref: 13022

SWJ0127 - Top Huge Smokey Quartz Crystal Cluster from classical Arkansas (USA) location Lochovella (Reedops) • Silurian of Algeria (2)This is a gorgeous smokey 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