20080 Vrbaite, Avicennite, Parapierottite, Lookout Pass Thallium prospect, Little Valley, Lookout Pass Mining District, Tooele County, Utah, USA

September 18, 2022 Steve North and Central Americas United States Utah

Microcrystalline black vrbaite, brown avicennite and metallic grey parapierrotite coating chert matrix.

2364 Avicennite, Pierrotite, Weissbergite, Thallium Prospect, Little Valley, Tooele Co, Utah, USA