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NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃OH

Trigonale root IMA grandfathered

구성

Composizione (% in peso)

O

Si

Al

Mg

OOxygen51.7%
SiSilicon17.6%
AlAluminium16.9%
MgMagnesium7.6%
BBoron3.4%
NaSodium2.4%
HHydrogen0.4%

어원

명명 유래 Drava.