One of the largest fluorite mines, which also produced iron ore (Fe-F-REE mineralisation). 40+ minerals (most iron). Extreme differentiation of granitic magma.
A vertical, discordant, funnel-shaped volcanic pipe, emplaced within the surrounding Rooiberg Group rhyolites of the Bushveld complex. Located 8 km SW of Rust de Winter, 65 km NE of Pretoria. Closely related prospects occur on the neighbouring farms Naauwpoort 208 JR, and Rhenosterfontein 210 JR.
References:
- Beih. z. Eur. J. Mineral. 18 (2006) 124.
- Weinert, S. (2006): "Locality data sheet: Vergenoeg fluorspar-iron ore mine (Afrique du Sud)." International Micromounter's Journal, 15(1), 4-6.
- Cairncross et al. (2008): The Vergenoeg Fluorite Mine Rocks & Minerals 81 (5), 410-421.
Mineral List:67 entries listed. 63 valid minerals.
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