The Okorusu mine is a carbonatite deposit. The carbonatite orebody is an intrusive with the calcium carbonate minerals coming from magma, instead of sedimentary origins.
Read more: Okorusu Fluorspar Mine, Otjiwarongo District, Otjozondjupa Region, Namibia - Part 2 of 2
We have been extremely fortunate here at Mine Rat Minerals/Open Adit West, LLC. to have dealt directly with the Okorusu Fluorspar Mine under contract for the specimens since 2002 and ending with the closure of the active mining at the open pit in 2014.
Read more: Okorusu Fluorspar Mine, Otjiwarongo District, Otjozondjupa Region, Namibia - Part 1 of 2
In the nineteen eighties then owner Jersey Miniere Zinc of the Elmwood Complex in Middle Tennessee near Carthage began to offer auctions by invitation only to mineral dealers and collectors. My father Joe Kielbaso and myself were lucky to be invited to these offerings to try and win various lots by bidding.
Read more: Elmwood Mineral Auctions in the 1980's for the famous Calcites and Fluorites
Riemvasmaak, famous for hot springs and fluorite and quartz combination mineral specimens (among other types), is located in the Northern Cape Province of South Africa 60 km from the small Northern Cape town of Kakamas in a remote desert-mountain wilderness area between the Orange and Molopo rivers, close to the Namibian border. Mindat shows the exact location of the mining area as 3 km from the village of Riemvasmaak.
Read more: Green Fluorite with Quartz from Riemvasmaak, South Africa
