IMA mineral species

Ixiolite

(Ta,Mn,Nb)O₂

An oxide mineral with the consisting of tantalum (Ta), niobium (Nb) and tin (Sn) and often found in granitic pegmatites..

BlackGray

Ixiolite specimen
Ixiolite-490369.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula(Ta,Mn,Nb)O₂
ElementsTa, Mn, Nb, O
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streak—
Color—
Nickel–Strunz class4.DB.25

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

🌍 Where it's found

Type locality (where it was first described): Kimito island, Finland

  • Type locality
  • Notable source / deposit
  • Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.