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RM1397 Autunite and torbernite
Ca(UO2)2(PO4)2·10-12H2O
Groups of autunite tabular crystals with an intense and characteristic yellow color, brilliance, transparent, some of them growing epitaxial on torbernite (metatorbernite). They are disposed covering cavities of a matrix of goethite. An old specimen from a classic Portuguese locality.
Size: 7.3 x 6.8 x 4.5 cm.
Found in 1980's.
Fluorescent under LWUV and SWUV
Presents radioactive activity.
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