Item talk:Q162767
From geokb
Mindat Short Description
NOTE: Many of the specimens that are labeled "zippeite" are actually natrozippeite (the sodium-dominant member of the group), especially those from sedimentary deposits.
Structurally related to redcanyonite.
Geoscience Ontology Status Notes
Haidinger W (1845) Zweite Klasse: Geogenide. XI. Ordnung, Erze. VII. Uranerz. Zippeit., in Handbuch der Bestimmenden Mineralogie, Bei Braumüller and Seidel (Wien) 506-511 Redefined: Frondel C, Ito J, Honea R M, Weeks A M (1976) Mineralogy of the zippeite group, The Canadian Mineralogist 14, 429-436
IMA Formula (from Mindat)
K2[(UO2)4(SO4)2O2(OH)2](H2O)4
RRUFF Formula (from Geoscience Ontology)
K3(U6+O2)4(S6+O4)2O3(OH)·3H2O
