general/manganese-ii-minerals
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Wolframite
Iron manganese tungstate mineral
Alabandite
Sulfide mineral
Sarkinite
Mineral
Arsenoclasite
Mineral
Spessartine
Nesosilicate, manganese aluminium garnet species
Hureaulite
Manganese phosphate mineral
Chambersite
Manganese borate mineral
Hübnerite
Oxide mineral
Triplite
Phosphate mineral
Geigerite
Mineral