IMA mineral species

Tsepinite-Na

(Na,H₃O,K,Sr,Ba,☐)₂(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·3H₂O

Cyclosilicate mineral.

Tsepinite-Na specimen
Tsepinite-Na & Labuntsovite-Mn.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula(Na,H₃O,K,Sr,Ba,☐)₂(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·3H₂O
ElementsNa, H, O, K, Sr, Ba, Ti, Nb, Si
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolTsp-Na
Nickel–Strunz class9.CE.30b

“—” 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 · Mount Khibinpakhkchorr