IMA mineral species

Labuntsovite-Fe

Na₄K₄Fe²⁺₂Ti₈O₄(Si₄O₁₂)₄(OH)₄·10-12H₂O

Cyclosilicate mineral.

Labuntsovite-Fe specimen
Labuntsovite-Fe-448961.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNa₄K₄Fe²⁺₂Ti₈O₄(Si₄O₁₂)₄(OH)₄·10-12H₂O
ElementsNa, K, Fe, Ti, O, Si, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolLab-Fe
Nickel–Strunz class9.CE.30e

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

🌍 Where it's found

Type locality (where it was first described): Kirovskii apatite mine, Russia