Topic summary
Galaxite
Galaxite, also known as 'mangan-spinel', is an isometricmineral belonging to the spinel group of oxides with the ideal chemical formulaMnAl2O4. It is sometimes used as a gemstone.
Topic summary
Galaxite, also known as 'mangan-spinel', is an isometricmineral belonging to the spinel group of oxides with the ideal chemical formulaMnAl2O4. It is sometimes used as a gemstone.