Middendorfite

K₃Na₂Mn₅Si₁₂(O,OH)₃₆·2H₂O

Monoclino heart IMA approved

Composición

Composizione (% in peso)

O

Si

Mn

K

OOxygen43.8%
SiSilicon24.3%
MnManganese19.8%
KPotassium8.5%
NaSodium3.3%
HHydrogen0.3%