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Preobrazhenskite

Mg₃B₁₁O₁₅(OH)₉

Ortorombico third eye IMA grandfathered

成分

Composizione (% in peso)

O

B

Mg

OOxygen65.7%
BBoron20.3%
MgMagnesium12.5%
HHydrogen1.6%

次要脈輪