IMA mineral species

Ferri-fluoro-leakeite

NaNa₂(Mg₂Fe³⁺₂Li)Si₈O₂₂F₂

Na-amphibole mineral, double chain inosilicate.

Black

Properties

Chemical formulaNaNa₂(Mg₂Fe³⁺₂Li)Si₈O₂₂F₂
ElementsNa, Mg, Fe, Li, Si, O, F
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Colorblack
Cleavage{110}
IMA symbolFfllk
Nickel–Strunz class9.DE.05

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

🌍 Where it's found

Type locality (where it was first described): Verkhnee Espe massif, Kazakhstan

  • 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.