Plates of silvery polylithionite mica and pink crystals of eudialyte dominate this specimen from Kangerluarssaq fjord, Ilímaussaq complex, Narsaq, Greenland. Under short wave UV the polylithionite fluoresces bright off-white. The eudialyte is not fluorescent. Interestingly, this specimen is also mildly radioactive, emitting approximately 150 cpm at 1 cm. The size of this piece is 77 x 73 x 34 mm, and it weighs 147 grams. As the name implies, polylithionite is a lithium-bearing mica.
Polylithionite seen under short wave UV (254nm).
Photograph of the same specimen seen under visible light. Note the pink crystals of eudialyte.