Fernando Brederodes·Public domain·Wikimedia

Offretite

KCaMg(Si₁₃Al₅)O₃₆·15H₂O

Esagonale third eye IMA approved

Komposisi

Composizione (% in peso)

O

Si

Al

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

Etimologi

Dinamai dari Albert Offret.

Chakra sekunder