A lead zinc iron arsenate, often yellowish to reddish-brown. It's associated with vitality and manifestation but is toxic due to arsenic.
Yellow, Yellow-Brown, Reddish-Brown, Greenish-Yellow, forms prismatic crystals or drusy crusts
Tsumcorite is classified as a arsenate minerals mineral which typically crystallizes in the monoclinic system. Its chemical formula is PbZnFe2+(AsO4)2.H2O. Common crystal habits include radiating, fibrous crusts.