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Hausmannite: Mn++Mn+++2O4 Ephesite: NaLiAl2(Al2Si2)O10(OH)2
Comments: Flesh-colored ephesite associated with dark brownish black hausmannite. Location: Gloucester mine. Postmasburg, Cape province. S. Africa. Scale: 5.5 x 5 cm. © Fabre Minerals
Hausmannite: Mn++Mn+++2O4
Comments: Black hausmannite crystals with minor brucite. Location: Wessels Mine, Kalahari, South Africa. Scale: 6.5 x 6 cm. © John Veevaert
Hausmannite: Mn++Mn+++2O4 Kombatite: Pb14(VO4)2O9Cl4
Comments: Yellow kombatite crystals in black hausmannite. Location: Kombat Mine, Otavi, Namibia. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag
Hausmannite: Mn++Mn+++2O4 Fredrikssonite: Mg2(Mn+++,Fe+++)O2(BO3)
Comments: Red-brown elongated crystalline fredrikssonite in calcite with granular hausmannite. Location: Langban, Varmland, Sweden. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Hausmannite: Mn++Mn+++2O4 Filipstadite: (Mn++,Mg)4Sb+++++Fe+++O8
Comments: Dark minute grains of filipstadtite in hausmannite (slabbed specimen). Location: Jacobsberg Mine, near Nordmark, Filipstad, Varmland, Sweden. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species