Showing 55–58 of 58 resultsView All
Ultra Rare Xenotime-Yb CRYSTAL Texas
Burnet County, Texas
Franklin Roberts, of Austin Texas, having some serious luck with a bit of skill and knowledge, finding some amazing things in the pegmatites of the Llano Uplift. You can find them for sale here, on RadioactiveMinerals.com!
The mineral is all but completely hard to find, with samples being micros, mostly just found as grains in sand. This amazing find is one great sample of Xenotime-Yb, verified, and quite possibly a twin. Weighing in at 6.75 grams, this mineral has the highest concentration of the native element Ytterbium. This very might well be one of the best Xenotime-Yb crystals in existence.
2 x 1.3 x 1.1 cm
Uranophane on Calcite from Utah
Great cluster of this bright yellow uranium mineral!
8 x 6.1 x 4.7 cm
Uranophane on Cuprosklodoskite Fantastic!
Musonoi mine, Kolwezi, Lualaba Province, Democratic Republic of the Congo
Amazingly fine geode of this uncommon uranium mineral. This location produces the finest examples of this mineral and this is a SHOCKINGLY fantastic example of crystals from this deposit.
6.9 x 5.5 x 4.2 cm
Weeksite w/ Carnotite Arizona
Anderson Mine, Yavapai County, Arizona
Excellent specimen from this popular Arizona radioactive location. Weird blobs with yellow cores. Great UV reaction
5.5 x 4.3 x 2.7 cm