The Erongo Mountain is 20 km north of the town of Usakos. Usakos is 140 km from Swakopmund on the highway between Swakopmund and Windhoek. The Erongo mountain is 65 km in diameter and stretches from Usakos to the town of Omaruru in the north.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!