IMA mineral species

Taramellite

Ba₄(Fe³⁺,Ti,Fe²⁺,Mg)₄(B₂Si₈O₂₇)O₂Clx

Cyclosilicate mineral.

Taramellite specimen
Gillespite-Sanbornite-Taramellite.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaBa₄(Fe³⁺,Ti,Fe²⁺,Mg)₄(B₂Si₈O₂₇)O₂Clx
ElementsBa, Fe, Ti, Mg, B, Si, O, Cl
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolTmel
Nickel–Strunz class9.CE.20

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

🌍 Where it's found

Type locality (where it was first described): Candoglia, Italy

  • 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.