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Chromio-pargasite

NaCa₂(Mg₄Cr)(Si₆Al₂)O₂₂(OH)₂

Monoclino heart IMA redefined

成分

Composizione (% in peso)

O

Si

Mg

Ca

Al

Cr

OOxygen44.6%
SiSilicon19.6%
MgMagnesium11.3%
CaCalcium9.3%
AlAluminium6.3%
CrChromium6.0%
NaSodium2.7%
HHydrogen0.2%

詞源

命名來源 chromium.

次要脈輪