IMA mineral species

Tokyoite

Ba₂Mn³⁺(VO₄)₂(OH)

Vanadate mineral.

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Tokyoite specimen
Tokyoite displayed at Mining Museum of Akita University.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaBa₂Mn³⁺(VO₄)₂(OH)
ElementsBa, Mn, V, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolTky
Nickel–Strunz class8.BG.05

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

🌍 Where it's found

Type locality (where it was first described): Shiromaru mine, Japan

  • 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.