IMA mineral species

Jasmundite

Ca₁₁(SiO₄)₄O₂S

Nesosilicate mineral.

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

Properties

Chemical formulaCa₁₁(SiO₄)₄O₂S
ElementsCa, Si, O, S
Crystal systemTetragonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolJas
Nickel–Strunz class9.AG.70

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

🌍 Where it's found

Type locality (where it was first described): Bellerberg volcano, Germany

  • 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.