David Hospital·CC BY-SA 4.0·Wikimedia

Preobrazhenskite

Mg₃B₁₁O₁₅(OH)₉

Ortorombico third eye IMA grandfathered

Skład

Composizione (% in peso)

O

B

Mg

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

Czakry wtórne