What is 'crystalline silica'?

What is 'crystalline silica'?

Roy Artal (Pulmonologist and Critical Care Physician) gives expert video advice on: Am I at risk for breathing silica dust?; What are the symptoms of silicosis?; If I work with silica dust, can I expose family or friends? and more...

Crystalline silica is a mineral that's actually the most abundant mineral on the crust of the earth. It's found in sand, it's found in dirt and stone, but it only becomes a health danger or a health threat when it's broken down into very, very fine particles and becomes airborne and has the ability to be inhaled into the lungs.