A granite pegmatite hosted in amphibolitic rocks quarried for feldspar located about 100m south of the road Tveit-Dalane on the Tveit Farm land. The pegmatite dikes was about 10 m wide.
Known especially for its good specimens of columbite-(Fe), muscovite and almandine.
Bjørlykke locality no. 3.
References:
- Vogt, Th. (1911): Bertrandite von Iveland im südlichen Norwegen. Zeitschr. f. Krist. 50:6-13
- Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
- Larsen, A.O.(1980): Granater fra granittpegmatitter. NAGS-nytt 7(4),31-32 [analysis on garnets in the almandine-spessartite series from Iveland including Steli]
- Nordrum, F. S. (2004): Nyfunn av mineraler i Norge 2003-2004. STEIN 31 (2), 36-44
- Nordrum, F. S. (2007): Nyfunn av mineraler i Norge 2006-2007. STEIN 34 (2), 14-26
| Group 2 - Sulphides and Sulfosalts | | Bismuthinite | 2.DB.05 | | | | Pyrite | 2.EB.05a | | | | Group 4 - Oxides and Hydroxides | | Columbite-(Fe) | 4.DB.35 | | | | Euxenite-(Y) | 4.DG.05 | | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti) | | O | | |
| | | Quartz | 4.DA.05 | | | | Samarskite-(Y) | 4.DB.25 | | (Y,Fe | | ,Fe | | ,U,Th,Ca) | | (Nb,Ta) | | O | | |
| | | Group 8 - Phosphates, Arsenates and Vanadates | | Xenotime-(Y) | 8.AD.35 | | | | Group 9 - Silicates | | Almandine | 9.AD.25 | | | | Bertrandite | 9.BD.05 | | | | Beryl | 9.CJ.05 | | | | Biotite | 9.. | | | | Microcline | 9.FA.30 | | | | Muscovite | 9.EC.15 | | | Zircon
var: Alvite | 9.AD.30 | | | | Unclassified Minerals | | 'Albite-Anorthite Series' | - | | | | 'Chlorite Group' | - | | | | 'Monazite' | - | | |
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17 entries listed. 13 valid minerals.
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