Crystals & Stones

Erythrite specimen; photo by Lloyd.james0615 — Roosters Peacock crystal guide
Erythrite: The Stone of Awareness, Boundaries & Careful Transformation
Erythrite is a very soft hydrated cobalt arsenate, Co3(AsO4)2·8H2O, known for vivid pink-to-magenta 'cobalt bloom' in oxidized cobalt deposits; because it contains arsenic, careful handling is important. Explore its mineral... Read more...