Mindat Short Description
Chalcanthite Group. Copper analogue of siderotil and pentahydrite.
Chalcanthite is natural, water-soluble copper sulphate pentahydrate. It is a secondary mineral that is formed in arid climates or in rapidly oxidizing copper deposits. It is usually...
Geoscience Ontology Status Notes
Mineral name has been known since antiquity and predates any formal descriptive publication. for example: Dioscorides P, [Translated by Cornarius J, 1557] (70) Chalcantum, in De materia medica Libri V., Froben (Basileae) 451-453
IMA Formula (from Mindat)
Cu(SO4) · 5H2O
RRUFF Formula (from Geoscience Ontology)
Cu2+S6+O4·5H2O