Realgar from Saint-Étienne, France

Realgar from Saint-Étienne, Loire, Auvergne-Rhône-Alpes, France

Tiny micromount specimens of Realgar from a colliery fire in Saint-Étienne, France.

These are likely from the coal dump fire at Crassier Saint-Pierre.

This specimen was part of Roger Harkers collection and has three of his labels glued to the perky box it comes mounted in. The specimen is mounted with glue into the box. Ex. Roger Harker, W. Klein collections.

Should be stored in the dark - exposure to light will potentially convert this mineral into para-realgar.

Toxic mineral: Realgar is an arsenic sulfide mineral.