Quartz Toxicity
The breathing of respirable quartz particles is a hazard in ceramic ware manufacture and hobby. These particles are of a size that can ch deep in the air sacks of the lungs. Hazards: Bentonite Toxicity: Hazards: Feldspar: Hazards: Quartz Toxicity on Clayart Quartz is one of the most dangerous materials used in ceramics, yet it is irreplaceable.