IMA mineral species

Koenenite

Na₄Mg₉Al₄Cl₁₂(OH)₂₂

Halide mineral.

Koenenite specimen
Koenit mineralogisches museum bonn.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNa₄Mg₉Al₄Cl₁₂(OH)₂₂
ElementsNa, Mg, Al, Cl, O, H
Crystal systemTrigonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolKoe
Nickel–Strunz class3.BD.25

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