IMA mineral species

Harmotome

Ba₂(Si₁₂Al₄)O₃₂·12H₂O

Zeolite mineral.

Harmotome specimen
Harmotome-190503.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaBa₂(Si₁₂Al₄)O₃₂·12H₂O
ElementsBa, Si, Al, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolHrm
Nickel–Strunz class9.GC.10

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

🌍 Where it's found

Type locality (where it was first described): Sankt Andreasberg, 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.