Vanadio-oxy-chromium-dravite

NaV₃(Cr₄Mg₂)(Si₆O₁₈)(BO₃)₃(OH)₃O

Trigonale root IMA approved

Komposisi

Composizione (% in peso)

O

Cr

Si

V

OOxygen43.8%
CrChromium18.4%
SiSilicon14.9%
VVanadium13.5%
MgMagnesium4.3%
BBoron2.9%
NaSodium2.0%
HHydrogen0.3%

Etimologi

Dinamai dari dravite.

Chakra sekunder