IMA mineral species

Tapiolite-(Fe)

(Fe,Mn)(Ta,Nb)₂O₆

Oxide mineral.

Tapiolite-(Fe) specimen
Tapiolite-121701.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula(Fe,Mn)(Ta,Nb)₂O₆
ElementsFe, Mn, Ta, Nb, O
Crystal systemTetragonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolTap-Fe
Nickel–Strunz class4.DB.10

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