Fluorannite

KFe²⁺₃(AlSi₃O₁₀)(F,OH)₂

Monoclino heart IMA approved

成分

Composizione (% in peso)

O

Si

Fe

K

F

Al

OOxygen39.6%
SiSilicon20.8%
FeIron13.8%
KPotassium9.7%
FFluorine9.4%
AlAluminium6.7%

詞源

命名來源 annite.

次要脈輪