Mineral phase
IMA name
VOID Mineral
Class
non-silicate mineral
Formula
$VOID MgAl_2O_4$
Chemical formula
VOID
Elemental formula
2H
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Isotope mole fraction State Relevance
$^2H$ or $D$ Full Isotope element 1 main

Strunz

Class
oxides - hydroxides - arsenites (04)
Division
metal:oxygen = 3:4 and similar (04.B)
Family
with only medium-sized cations (04.BB)

Dana

Major class
oxides and hydroxides (III)
Class
multiple oxides (07)
Type
(A+B++)2X4 Spinel group (07.02)
Group
Aluminium subgroup (07.02.01)