IMA mineral species

Scandio-fluoro-eckermannite

NaNa₂(Mg₄Sc)(Si₈O₂₂)F₂

Properties

Chemical formulaNaNa₂(Mg₄Sc)(Si₈O₂₂)F₂
ElementsNa, Mg, Sc, Si, O, F
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolSfeck
Nickel–Strunz class9.DE.25

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

🌍 Where it's found

Type locality (where it was first described): Bayan Obo mine, People's Republic of China

  • 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.