IMA mineral species

Stellerite

Ca₄(Si₂₈Al₈)O₇₂·28H₂O

Zeolite mineral.

OrangePinkWhite & Clear

Stellerite specimen
Stellerite - Takat, Imilchil, Midelt Province, Drâa-Tafilalet Region, Morocco.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₄(Si₂₈Al₈)O₇₂·28H₂O
ElementsCa, Si, Al, O, H
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streakwhite
Color—
IMA symbolSte
Nickel–Strunz class9.GE.15

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