IMA mineral species

Stilbite-Ca

NaCa₄(Si₂₇Al₉)O₇₂·28H₂O

Zeolite mineral.

Stilbite-Ca specimen
Apophyllite-(KF)-Stilbite-Ca-130107.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNaCa₄(Si₂₇Al₉)O₇₂·28H₂O
ElementsNa, Ca, Si, Al, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolStb-Ca
Nickel–Strunz class9.GE.10

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

🌍 Where it's found

Type locality (where it was first described): Norway · France · Germany · Iceland

  • 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.