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Szmikite: MnSO4·(H2O)
Comments: Tan translucent szmikite. Location: Calumet Mine, Galena Hill, Yukon Territory, Canada. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Szomolnokite: Fe++SO4·(H2O) Halotrichite: Fe++Al2(SO4)4·22(H2O)
Comments: Tan powdery szomolnokite crust on silky fibrous halotrichite with yellow metavoltine. Location: Markey Mine, Red Canyon, San Juan County, Utah, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Szomolnokite: Fe++SO4·(H2O) Voltaite: K2Fe++5Fe+++3Al(SO4)12·18(H2O)
Comments: Whitish crystalline crust of voltaite on crystals of brown szomolnokite. Location: Alcaparrosa Mine, Cerritos Bayos, Chile. Scale: Picture size 1 cm. © John Veevaert
Szymanskiite: Hg+16(Ni,Mg)6(H3O)8(CO3)12·3(H2O)
Comments: SEM image of a group of szymafskiite crystals. (CanMin, v28:703). Location: Clear Creek mercury mine, New Idria district, San Benito County, California. Scale: See Image. © Canadian Mineralogist