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Ershovite: Na4K3(Fe++,Mn++,Ti)2Si8O20(OH)4·5(H2O)
Comments: Olive green coatings of ershovite on green aegirine. Location: Mount Koashva, Khibiny Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Eskimoite: Ag7Pb10Bi15S36
Comments: Gray metallic eskimoite in quartz. Location: Manhattan, Nye County, Nevada, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Eskolaite: Cr2O3 Chalcocite: Cu2S
Comments: Green crystalline eskolaite on massive chalcocite. Location: Lubelin, Poland. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Esperanzaite: NaCa2Al2(As+++++O4)2F4(OH)·2(H2O)
Comments: Pale blue-green botryoidal esperanzaite in rhyolite. Location: Mina La Esperanza, Durango, Mexico. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Esperite: PbCa3Zn4(SiO4)4 Hardystonite: Ca2ZnSi2O7 Franklinite: (Zn,Mn++,Fe++)(Fe+++,Mn+++)2O4
Comments: Pale brown porcelaneous esperite with pinkish gray hardystonite and black franklinite. Location: Franklin, Sussex County, New Jersey. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Esseneite: CaFe+++AlSiO6
Comments: Orange-brown crystalline coating of esseneite on anorthite. Location: Kopeisk, Chelyabinsk District, Southern Urals, Russia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Eucairite: CuAgSe
Comments: Black dendritic eucairite in white calcite crystal. Location: Skrikerum Copper Mine, near Tyrsarum, Kalmar, Sweden. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Euchlorine: KNaCu++3(SO4)3O
Comments: Olive green crusts of euchlorine on volcanic rock. Location: Vesuvius, Campania, Italy. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Eucryptite: LiAlSiO4
Comments: Gray massive eucryptite. Location: Parker Mountain, Center Strafford, Strafford County, New Hampshire, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Eudidymite: NaBeSi3O7(OH) Epididymite: NaBeSi3O7(OH)
Comments: Translucent prismatic crystals of eudidymite on white opaque epididymite. Location: Narsaarsuk, Greenland. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species