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Eckermannite: NaNa2(Mg4Al)Si8O22(OH)2
Comments: Dark blue-green prismatic crystalline eckermannite in matrix. Location: Norra Karr, Granna, Jonkoping, Sweden. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Eclarite: Pb9(Cu,Fe)Bi12S28
Comments: Black crystalline masses and prismatic crystals of eclarite in fine grained quartz. Location: Barenbad Mine, Hollersbachtal, Salzburg, Oberosterrich, Austria. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Edenite: NaCa2Mg5Si7AlO22(OH)2
Comments: Green granular edenite in fine-grained phlogopite. Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Edgarbaileyite: Hg+6Si2O7
Comments: Resinous yellow masses of edgarbaileyite in quartz. Location: Clear Creek Mine, San Benito County, California, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Edgarite: FeNb2S6
Comments: Scanning electron micro-image edgarite (EDG, fibrous appearing) inclusion in pyrrhotite (PY) with marcasite (MRC, slightly lower reflectance) in silicate matrix (SIL, lowest reflectance). Location: Khibiny Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Eggletonite: Na2Mn8[Si11AlO29](OH)7·11(H2O)
Comments: Brown micro crystals of eggletonite in syenite. Location: 3M Quarry, Little Rock, Pulaski County, Arkansas, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Eifelite: KNa3Mg4Si12O30
Comments: Clear glassy microcrystal of eifelite. Location: Bellerberg, Ettringen, Eifel, Rheinland-Pfalz, Germany. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Eitelite: Na2Mg(CO3)2
Comments: Pale yellow crystalline eitelite. Location: Mapco Shrine Hospital Well #1 drill core, Green River Formation, Duchesne County, Utah, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Ekaterinite: Ca2B4O7(Cl,OH)2·2(H2O)
Comments: Pale pink crystalline cleavage fragment of ekaterinite. Location: Novofrolovskoye, Sverdlovsk District, Northern Urals, Russia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Ellenbergerite: Mg6TiAl6Si8O28(OH)10
Comments: Pale pink glassy nearly pure mass of ellenbergerite. Location: Dora-Meira Massif, Parigi, Piemonte, Italy. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species