Cubic Fluorite with Beryl on Feldspar Matrix from Erongo Mountain, Erongo Region, Namibia
This Fluorite specimen appears green in daylight, but has a mix of blue, green, and brown when backlit. There is a singular Beryl crystal on the side of the Fluorite. This specimen is self standing.
7.6 cm (3”) x 7 cm (2.76”)
Weight: 148 grams
The cause of the beautiful green colour is unknown, it may be related to associated radioactive or rare-earth species, samples where tested and yielded surprising results; isotopes in the rare-earth element lanthanide series; lanthanum, ytterbium, cerium, neodymium, samarium, europium, gadolinium and holmium were detected although amounts were not determined. (Mindat.org)
We have been collecting mineral specimens in Southern Africa since 2002. We focus on bringing a wide variety of unusual, beautiful and energetic minerals!