IMA mineral species

Goldschmidtite

KNbO₃

Niobite mineral.

Properties

⚖ Density4.5 g/cm³
Very heavy
Chemical formulaKNbO₃
ElementsK, Nb, O
Crystal systemCubic
Mohs hardness—
Density4.5 g/cm³
Streak—
Color—
IMA symbolGsc

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

🌍 Where it's found

Type locality (where it was first described): Koffiefontein mine, South Africa · inclusion(s) in a mineral

  • 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.