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Eakerite: Ca2SnAl2Si6O18(OH)2·2(H2O)
Comments: Transparent, prismatic crystal of eakerite. Location: Foote mine, Kings Mountain, Cleveland County, North Carolina, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Earlshannonite: (Mn,Fe++)Fe+++2(PO4)2(OH)2·4(H2O)
Comments: Brownish earlshonnonite aggregate surrounded by white, pegmatitic matrix. Location: Foote Mine, Kings Mtn, North Carolina, USA. Scale: 2 1/2" x 2". © Chris Wright / Wrights Rock Shop
Eastonite: KMg2Al[Al2Si2O10](OH)2
Comments: Small micaceous area of eastonite in quartz. Location: C.K. Williams Quarry, Easton, Northampton County, Pennsylvania, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
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
Edenharterite: TlPbAs3S6
Comments: Submetallic, deep brownish black crystalline aggregate of edenharterite crystals in white dolomite. Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Crystal size 2 mm. © Walter Gabriel
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
Edenite: NaCa2Mg5Si7AlO22(OH)2 Pargasite: NaCa2(Mg,Fe++)4Al(Si6Al2)O22(OH)2
Comments: Blocky, dark green crystals of visually indistinguishable pargasite and edenite. Location: Kolonne bei, Embilipitiya, Sri Lanka. Scale: 4.5 x 1.7 x 3.7 cm. © Fabre Minerals
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: Silvery metallic edgarite crystal to about 0.3mm embedded between pegmatite grains. Location: Khibiny Massif, Kola Peninsula, Murmanskaja Oblast, Northern Region, Russia. Scale: Picture size 2 mm. © Tom Loomis / Dakota Matrix
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