Calcite from selected localities.
Norway | |
| Larsen, A.O.(1979):"Vesuvian i Oslofeltet".NAGS-nytt 6(1),8-11 |
Dietrich, R.V., Heier, K.S. & Taylor, S.R. 1965: Studies on the igneous rock complex of the Oslo region. XX. Petrology and geochemistry of ekerite. Skrifter Norske videnskaps-akademi i Olso. Matematisk-naturvidenskapelig klasse, Ny serie. 19, 28 pp. | |
| Peter Andresen collected at site in 2005 |