Is a rare earth Yttrium Niobium Tantalum Titanium Oxide with formula (Y, Ca, Er, La, Ce, U, Th)(Nb, Ta, Ti)2O6, Yttrium Calcium Erbium Lanthanum Cerium Uranium Thorium Niobium Tantalum Titanium Oxide.and hardness of 5.5-6-5.
Is slight radioactive mineral and should be handle with care.
It comes from the Platt Pegmatite,Big Creek Pegmatite District,Encampment,Carbon County,Wyoming,USA.
Euxenite-(Y) is a heavy REE specific mineral, containing appreciable amounts of the valuable heavy end of the lanthanide spectrum, such as Dysprosium, Yttrium, and Ytterbium.
It was collected over 35 years ago.
Size: 5.5x5.5x3 mm.
Weight: 1.13 ct.