Feldspar Group from Pegmatite near Tangmathola, Rakke, Stavern (Fredriksvärn), Larvik, Vestfold, Norway
Norway | |
| [var. Perthite] Larsen, Knut Edvard (2017) Personal communication: observation in field. |
Norway | |
| [var. Perthite] Larsen, Knut Edvard (2017) Personal communication: observation in field. |