Tremolite

Tremolite is a amphibole silicate mineral. The fibrous form is one of the most dangerous types of asbestos, and is often found as a contaminant in other mineral products such as talc and vermiculite.

A piece of tremolite asbestos

Electron microscope image of tremolite fibers

Incidents

Tremolite has been involved in several product recalls and lawsuits:

• A lawsuit was filed involving contaminated baby powder made by Johnson and Johnson.^[1]
• Tremolite sometimes occurs as a contaminant in vermiculite^[2]
• In 2019, a Jojo Siwa makeup kit was recalled after it tested positive for tremolite^[3]