A granite pegmatite quarried for feldspar located about 2 km west of the Frøyså farm. The pegmatite was a 20 m wide irregular body. The outher zones of the pegmatite consisted of "graphic granite" ("Skriftgranitt")- graphic intergrowns of quartz and microcline
Bjørlykke locality nr 9.
References:
- Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
Mineral List:13 entries listed. 6 valid minerals.
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