common sources of ion of indium(III) cation vs gallium(III) cation

indium(III) cation gallium(III) cation | common sources of ion

indium(III) cation | indium(III) sulfate hydrate (2 eq) | indium(III) nitrate hydrate (1 eq) | indium(III) acetate (1 eq) | indium(I) bromide (1 eq) gallium(III) cation | gallium(III) sulfate hydrate (2 eq) | gallium(III) perchlorate hydrate (1 eq) | gallium(III) oxide (2 eq) | gallium antimonide (1 eq)