Fluorite on Feldspar with Muscovite Mica, Erongo Mountain, Erongo Region, Namibia
Dimensions:
3.7 cm (1.4”) x 4.1 cm (1.6”)
Weight: 46 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!
