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Eglestonite: Hg6Cl3O(OH) (?)
Comments: Small yellow crystals and massive aggregates of eglestonite. Location: Landsberg (Moschellandsberg), Obermoschel, Palatinate, Rhineland-Palatinate, Germany. Scale: Picture size 0.8 mm. © Thomas Witzke / Abraxas-Verlag
Elpasolite: K2NaAlF6
Comments: Colorless crystal of elpasolite in matrix. Location: Cetine di Cotorniano mine (Cetine mine), Rosia, Siena, Tuscany, Italy. Scale: Picture size 2.5 mm. © Thomas Witzke / Abraxas-Verlag
Ericaite: (Fe++,Mg,Mn)3B7O13Cl
Comments: Cubic crystal ericaite. Location: Bischofferode, Nordhausen, Erfurt district, Harz Mts, Thuringia, Germany. Scale: Crystal size 3.7 mm. © Thomas Witzke / Abraxas-Verlag
Eriochalcite: CuCl2·2(H2O)
Comments: Green grains of eriochalcite from the eruption of 1875, Vesuvius volcano. Location: Vesuvius volcano. Vesuvius, Naples, Naples province, Campania, Italy. Scale: Picture size 3 mm. © Thomas Witzke / Abraxas-Verlag
Erlichmanite: OsS2
Comments: Large gray fractured grain of erlichmanite. Polished section in reflected light. Location: Konder Mine, Konder alkaline-ultrabasic massif, Aldan shield, Saha (Sakha) Republic (Yakutia), Eastern-Siberian Region, Russia. Scale: Picture size 0.25 mm. © Thomas Witzke / Abraxas-Verlag
Ernienickelite: NiMn++++3O7·3(H2O)
Comments: Very small reddish-black tabular crystals of ernienickelite on quartz. Location: Siberia complex, Western Australia, Australia. Scale: Picture size 0.7 mm. © Thomas Witzke / Abraxas-Verlag
Erythrosiderite: K2Fe+++Cl5·(H2O) Salammoniac: NH4Cl
Comments: Orange-brown aggregates of erythrosiderite with sal ammoniac. Material from the 1926 eruption of the Erythrosiderite is hygroscopic and must be stored in a closed vial. The photo was made through the vial. Location: Vesuvius, Naples Province, Campania, Italy. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag
Eugenite: Ag9Hg2
Comments: Metallic, silvery eugenite. Location: Copiapó, Atacama, Chile. Scale: Picture size 5 mm. © Thomas Witzke / Abraxas-Verlag
Evenkite: (CH3)2(CH2)22
Comments: Colorless flake of evenkite on an orange background. Location: Khavokiperskiye Rocks polymetallic occurrence, Evenkia, Nizhnyaya Tunguska River, Nizhnyaya Tunguska River Basin, Krasnoyarskiy Kray, Eastern-Siberian Region, Russia. Scale: Size 4 mm. © Thomas Witzke / Abraxas-Verlag
Eztlite: Pb2Fe+++6(Te++++O3)3(Te++++++O6)(OH)10·8(H2O)
Comments: Reddish-brown crystalline eztlite on matrix. Location: Moctezuma, Mun. de Moctezuma, Sonora, Mexico. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag