Granite pegmatite. Bjørlykke locality number 20. A small pegmatite quarry near the Ivedal farm in Iveland in the southern part of Norway.
Ref:
- Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311