Location:

Mount Amiata, Tuscany, Italy

The ores occur within Palaeocene to Eocene calcarenites beneath a Pliocene-Pleistocene quartz latite of the Mount Amiata volcanic series. Minor antimony mineralization is associated with the mercury ores.

Major Minerals:

Cinnabar

Minor Minerals:

Marcasite, pyrite

Trace Minerals:

Include stibnite, realgar, native mercury

Textures:

Cinnabar forms polycrystalline, often bladed, aggregates