Does Wollastonite Contain Asbestos?

initially reported a finding of trace asbestos in a mined wollastonite ore for a short period, the belief that asbestos fibers may be a common contaminant in wollastonite may exist.

What is wollastonite made up of?

Wollastonite is an industrial mineral comprised chemically of calcium, silicon and oxygen. Its molecular formula is CaSiO3 and its theoretical composition consists of 48.28% CaO and 51.72% SiO2.

Is wollastonite hazardous?

Not an ingestion hazard. Inhalation of high concentrations may cause irritation or discomfort. In a NIOSH medical survey of wollastonite workers "no definite association of wollastonite exposure and excess morbidity could be demonstrated".