| Yttrogummite | |
|---|---|
| General | |
| Category | Mineral |
| 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, who discovered it in Arendal, Norway in 1870s.[2]
- ^ Yttrogummite on Mindat.org
- ^ Nordenskiöld, A.E. (1878): Mineralogiska bidrag 5. Cleveit, ett nytt yttro-uran mineral från Garta felsspatsbrott nära Arendal. Geologiska Föreningen i Stockholm Förhandlingar, 4: 28-32