Item talk:Q162613
From geokb
Mindat Short Description
Powellite-Scheelite Series.
An uncommon secondary mineral, typically formed in the oxidation zones of molybdenum-bearing hydrothermal deposits, rarely in basalt cavities, tactites, and granite pegmatites.
Geoscience Ontology Status Notes
Melville W H (1891) Powellite - calcium molybdate: A new mineral species, The American Journal of Science 141, 138-141
IMA Formula (from Mindat)
Ca(MoO4)
RRUFF Formula (from Geoscience Ontology)
CaMo6+O4
