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Defernite: Ca6(CO3)2-x(SiO4)x(OH)7(Cl,OH)1-2x (x=0,5) Vaterite: CaCO3 Manganite: MnO(OH)
Comments: Opaque white fibrous vaterite with red defernite and black manganite. Location: Kombat Mine, Otavi, Otjozondjupa, Namibia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Defernite: Ca6(CO3)2-x(SiO4)x(OH)7(Cl,OH)1-2x (x=0,5) Hematite: Fe2O3
Comments: Specular hematite rich with crystalline grains of reddish brown defernite. Location: Kombat Mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia. Scale: 3.9 x 2.5 cm. © John Veevaert