IMA mineral species

Tienshanite

KNa₃Na₆Ca₂Ba₆Mn₆(Ti₄+,Nb)₆B₁₂Si₃₆O₁₁₄(O,OH,F)₁₁

Cyclosilicate mineral.

Green

Tienshanite specimen
Tienshanite.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaKNa₃Na₆Ca₂Ba₆Mn₆(Ti₄+,Nb)₆B₁₂Si₃₆O₁₁₄(O,OH,F)₁₁
ElementsK, Na, Ca, Ba, Mn, Ti, Nb, B, Si, O, H, F
Crystal systemHexagonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolTsh
Nickel–Strunz class9.CL.05

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

🌍 Where it's found

Type locality (where it was first described): Darai-Pioz glacier, Tajikistan

  • 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.