IMA mineral species

Rectorite

(Na,Ca)Al₄((Si,Al)₈O₂₀)(OH)₄ * 2H₂O

Corrensite, phyllosilicate mineral.

Rectorite specimen
Quartz-Rectorite-mrz180a.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula(Na,Ca)Al₄((Si,Al)₈O₂₀)(OH)₄ * 2H₂O
ElementsNa, Ca, Al, Si, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolRec
Nickel–Strunz class9.EC.60

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