Item talk:Q162608
From geokb
Mindat Short Description
Found as golden brown to dark brown crusts or masses composed of microscopic hexagonal plates; rarely as small crystals of variable morphologies (in slags blackish crystals often occur). May also be powdery, earthy, or ochreous.
May be confused with...
Geoscience Ontology Status Notes
Hillebrand W F, Penfield S L (1902) Some additions to the alunite-jarosite group of minerals, American Journal of Science 164, 211-220
IMA Formula (from Mindat)
Pb0.5Fe3+3(SO4)2(OH)6
RRUFF Formula (from Geoscience Ontology)
PbFe3+6(SO4)4(OH)12
