| Yttrogummite | |
|---|---|
| General | |
| Category | Minerals |
| Identification | |
| Other characteristics |  Radioactive |
Yttrogummite is an yttrium-bearing variety of gummite mineral. It is a rare earth mineral containing relatively large amounts of the yttrium earths. It is an alteration product of yttrian uraninite.1
It was first described by Adolf Erik Nordenskiöld in 1878, from the Garta Feldspar quarry in Arendal, Norway.2
References
References
- Yttrogummite on Mindat.org
- Nordenskiöld, A. E. (1878). "Mineralogiska bidrag 5. Cleveit, ett nytt yttro-uran mineral från Garta felsspatsbrott nära Arendal" [Mineralogical contributions 5. Cleveite, a new yttro-uranium mineral from the Garta felspar quarry near Arendal]. Geologiska Föreningen i Stockholm Förhandlingar (in Swedish). 4 (1): 28–32. Retrieved 2026-06-04.