Fluorite – Okorusu Mine, Otjiwarongo, Otjozondjupa, Namibia

 Fluorite specimen from the Okorusu mine in Namibia. The cubical fluorites are intensely green in daylight, blue under UV light, and exhibit zoning (phantoms). The open-pit mine at Okorusu is now closed, and no new specimens from there are currently appearing on the mineral market.