| | Description | |
| Comments: | First classified as Hellandite-(Yb), then Hellandite-(Y).
Modern and more complete analyses are needed to correctly name the samples. | | Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Unconfirmed/Questioned | | References | |
| References: | American Mineralogist, 84, 913–921, 1999; American Mineralogist, 87, 745–752, 2002 | | Data | |
| Mineral Data: | Click here to view Hellandite-(Yb) data | | Locality Data: | Click here to view Kalstad-Lindvikskollen pegmatite, Kragerø, Telemark, Norway |
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