Mineralape
Columbite-(Mg)
Robert M. Lavinsky·CC BY-SA 3.0·Wikimedia

Columbite-(Mg)

MgNb2O6
Ortorombico root IMA renamed

成分

Composizione (% in peso)
Nb
O
Mg
  • NbNiobium60.7%
  • OOxygen31.4%
  • MgMagnesium7.9%