Terbium Oxide

Availability

Sold

Size

3.5 x 1 x 1 cm - Miniature 

Formula

Tb₄O₇ (RRUFF)

Locality

no locality

Tagged

REE mineral

A small vial of terbium oxide concentrate. There are no approved IMA minerals which contain Terbium. However, there is one unknown possible gadolinite member published on Mindat with the chemical formula of Ca(Y,Ce,Nd,Tb,Er)Be₂Si₂(O,OH)₁₀