Mercury(I) oxychloride, typically yellow, darkens on light exposure. Due to extreme mercury toxicity, it has no metaphysical use and is of interest mainly to mineral collectors.
Sulphur-Yellow, Greenish-Yellow, Olive Green, (Darkens on exposure to light)
Terlinguaite is a fascinating mineral with unique geological characteristics. Detailed scientific information is often available through specialized mineralogical resources.
Comprehensive geological data for Terlinguaite is currently being compiled. Please consult specialized mineralogical databases for detailed information.