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RM3689   Euxenite-(Y)
(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆
  -  4. Oxides and hydroxides

Euxenite-(Y) is an uncommon oxyde of niobium with tantalum and titanium and Rare Earth Elements (REE), with some calcium and radioactive elements like uranium or thorium. These elements give it a radioactive activity. This specimen we offer you is a cluster of parallel growth crystals, well-formed, with a chisel termination.With the classic ocher patina. A good chance to get a fine and good sized specimen.

Size: 4.5 x 2.6 x 2.4 cm.
Col. Carlos Prieto Paramio (Madrid). Col. Nr. 444.
Presents radioactive activity ☢.
360 €