In a pegmatite on the island of Rönsholmen J. F. Bahr found a new mineral "vasit" (wasite) which contained a supposed new element "wasium". However he soon showed it to be allanite with thorium.
References
Philosophical Magazine (1863) Series 4, Volume 26, Issue 177, 488
Arkiv för Kemi, Mineralogi och Geologi (1917) 6 (21), 108-111
Öfversigt af Kongl. Vetenskaps-Akademiens Förhandlingar (1862) 19, 415-423
Mineral List
4 entries listed. 2 valid minerals.
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