Tveit 1 Feldspar Quarry (Elias mine), Tveit, Iveland, Aust-Agder, Norway

A granite pegmatite hosted in amphibolitic rock and quarried for feldspar. It is located about 7-800m N of Iveland old railway station on the southern slope of a high hill near the east bank of the river Ottra.
Bjørlykke locality nr. 1.

References:
- Schetelig, J. (1913): Mineralogische Studien, I. Norsk Geologisk Tidsskrift 2: 3-37.[ p.11 on Ilmenorutile from Tveit 1]
- Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311