IMA mineral species

Martinandresite

Ba₂(Al₄Si₁₂O₃₂)·10H₂O

Zeolite mineral.

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

Properties

Chemical formulaBa₂(Al₄Si₁₂O₃₂)·10H₂O
ElementsBa, Al, Si, O, H
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMad
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): Wasenalp, Switzerland

  • 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.