IMA mineral species

Ternovite

MgNb₄O₁₁·8-12H₂O

Hydrous Mg-Nb oxide mineral.

White & Clear

Properties

🔷 Monoclinic✏️ streak white
Chemical formulaMgNb₄O₁₁·8-12H₂O
ElementsMg, Nb, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streakwhite
Colorwhite
IMA symbolTno
Nickel–Strunz class4.FM.15

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

🌍 Where it's found

Type locality (where it was first described): Vuoriyarvi alkaline-ultrabasic massif, Russia

  • 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.