Pennantite

Mn²⁺₅Al(AlSi₃O₁₀)(OH)₈

Monoclino heart IMA grandfathered

Composition

Composizione (% in peso)

O

Si

Mn

Al

OOxygen58.9%
SiSilicon17.2%
MnManganese11.2%
AlAluminium11.0%
HHydrogen1.6%

Chakras secondaires