Heulandite Subgroup from selected localities.
Norway | |
| Knut Edvard Larsen collection # MM-2425 |
| Andresen, P. (2011): Mineralene fra Midtfjellet larvikittbrudd, Malerød, Larvik. Norsk Bergverksmuseum Skrift. 46: 41-47 |
| Collected by Peter Andresen, 2010. |
Midtfjellet Quarry, Malerød, Larvik, Vestfold, Norway