IMA mineral species

Vinogradovite

Na₄Ti₄(Si₂O₆)₂[(Si,Al)₄O₁₀]O₄ * (H₂O,Na,K)₃

Single chain inosilicate mineral.

Vinogradovite specimen
Vinogradovite aegirine22293 1mm-0.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNa₄Ti₄(Si₂O₆)₂[(Si,Al)₄O₁₀]O₄ * (H₂O,Na,K)₃
ElementsNa, Ti, Si, O, Al, H, K
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolVgd
Nickel–Strunz class9.DB.25

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

🌍 Where it's found

Type locality (where it was first described): Lepkhe-Nel'm mountain, Russia