Back to North Fork Little Sulphur Creek, Cloverdale, West Mayacmas Mining District, Sonoma County, California, USA

Culver-Baer Mine, North Fork Little Sulphur Creek, Cloverdale, West Mayacmas Mining District, Sonoma County, California, USA

Cinnabar and Idrialite from the Culver-Baer Mine, California, USA

Idrialite from Sonoma County, California

Idrialite from the Culver-Baer Mine, Sonoma County, California

Idrialite, a Rare Organic Fluorescent Mineral