A beautiful Fluorite from Lady Annabella Mine, Weardale, County Durham England
Colours pop in the sunlight , photos show how the crystal looks both outside and inside
4.5cm (1.7”) x 4.5cm (1.7”)
Weight: 114 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 and other parts of the world since 2002. We focus on bringing a wide variety of unusual, beautiful and energetic minerals!