Item talk:Q162238

Mindat Short Description

Autunite Group.

A secondary mineral resulting from the oxidation of primary uranium minerals in hydrothermal veins, granite pegmatites, etc. Dehydrates (reversibly) in air to meta-autunite.

Geoscience Ontology Status Notes

Phillips W, Brooke H J, Miller W H (1852) Autunite, in An Elementary Introduction to Mineralogy, Longman, Brown, Green, and Longman (London) 519-519

IMA Formula (from Mindat)

Ca(UO₂)₂(PO₄)₂ · 10-12H₂O

RRUFF Formula (from Geoscience Ontology)

Ca(UO₂)₂(PO₄)₂·10-12H₂O

Additional References

• http://www.handbookofmineralogy.com/pdfs/autunite.pdf

• http://www.webmineral.com/data/Autunite.shtml