Texas Manganese mineralsBorates Sussexite Tusionite Carbonates Ankerite Kutnohorite Rhodochrosite Manganoan calcite OxidesSimple Hausmannite Manganite Manganosite Nsutite Pyrolusite Mixed Birnessite Bixbyite Ferrocolumbite Ferrotantalite Galaxite Jacobsite Manganotantalite Psilomelane (calvonigrite) Romanèchite Tantalite Todorokite Umber Phosphates Childrenite Graftonite Lithiophilite Natrophilite Purpurite Triplite Triploidite Zanazziite Silicates Babingtonite Braunite Brownleeite Calderite Chloritoid Eudialyte Glaucochroite Jeffersonite Knebelite Ottrelite Piemontite Pyroxferroite Rhodonite Spessartine Sugilite Tephroite Zakharovite Zircophyllite Sulfides Alabandite Hauerite Rambergite Other Axinite (borosilicate) Geigerite (arsenate) Manganese nodule (various) Samsonite (sulfosalt) Zincobotryogen (sulfate) Wolframite (tungstate) Hübnerite (tungstate) Minerals portal