IMA mineral species

Yttrocolumbite-(Y)

(Y,U,Fe²⁺)(Nb,Ta)O₄

Questionable oxide mineral.

Yttrocolumbite-(Y) specimen
Yttrocolumbite-(Y)-796200.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula(Y,U,Fe²⁺)(Nb,Ta)O₄
ElementsY, U, Fe, Nb, Ta, O
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolYclb-Y
Nickel–Strunz class4.DB.25

“—” means no reliable value in Wikidata yet. Check Mindat for full data.