It is a type of pneumoconiosis. Silica is a substance naturally found in certain types of stone, rock, sand and clay. Working ...

The Properties of Silica: an Introduction to the Properties of Substances in the Solid Non-conducting State. By Dr. Robert B. Sosman. (American Chemical Society Monograph Series, No. 37.) ...

Crystalline silica, also referred to as “quartz”, is a common mineral found in the earth’s crust and is a basic component of the soil, sand, and granite. Cristobalite and tridymite are two other forms ...

The project’s main test material involved tiny silica beads, which the researchers compared to “reflective sand.” The beads ...

Silica has a giant covalent structure containing silicon atoms (grey) and oxygen atoms (red) Learn more on properties of giant covalent compounds in this podcast. Listen to the full series on BBC ...

The company was initially served with seven improvement notices, but when the HSE conducted a follow-up inspection in ...