Item talk:Q162523
From geokb
Mindat Short Description
Melanterite Group. Iron analogue of boothite and zincmelanterite.
Melanterite is a hydrated iron sulphate formed after the decomposition of pyrite or other iron minerals due to the action of surface waters. It is often found in mines as a post-mini...
Geoscience Ontology Status Notes
Mineral name, or its predecessor melanteria, has been known since antiquity and predates any formal descriptive publication. For example: Dioscorides P (50) De melanteria, in De Materia Medica Libri V., Froben [1557] (Basileae) 454-455 The name melanterite is adopted: Haidinger W (1845) Erste Klasse: Akrogenide. IV. Ordnung. Salze. VII. Vitriolsalz. Melanterit., in Handbuch der Bestimmenden Mineralogie, Bei Braumüller and Seidel (Wien) 487-492
IMA Formula (from Mindat)
Fe(SO4) · 7H2O
RRUFF Formula (from Geoscience Ontology)
Fe2+S6+O4·7H2O
