Fernando Brederodes·Public domain·Wikimedia

Offretite

KCaMg(Si₁₃Al₅)O₃₆·15H₂O

Esagonale third eye IMA approved

成分

Composizione (% in peso)

O

Si

Al

OOxygen56.3%
SiSilicon25.2%
AlAluminium9.3%
CaCalcium2.8%
KPotassium2.7%
HHydrogen2.1%
MgMagnesium1.7%

詞源

命名來源 Albert Offret.

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