Mineral Specimen Images (E)

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  
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

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

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

Edingtonite: BaAl2Si3O10·4(H2O)

Comments: Lath-shaped crystalline aggregates of edingtonite.
Location: Jacupiranga mine, Sao Paolo, Brazil. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Edingtonite: BaAl2Si3O10·4(H2O)

Comments: White, stout prisms of calcite on pinkish analcime with small, cream-colored bladed edingtionite crystals.
Location: Old Kilpatrick, Dunbartonshite, Scotland. Scale: Picture Size 3 cm.
© Dave Barthelmy

Edoylerite: Hg++3Cr++++++O4S2  
Cinnabar: HgS

Comments: Yellow prismatic crystals of edoylerite with red cinnabar.
Location: Clear Creek Claim (Clear Creek Mine), New Idria district, San Benito Co., California, USA. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Effenbergerite: BaCuSi4O10  
Sugilite: KNa2(Fe+++,Mn+++,Al)2Li3Si12O30

Comments: Blue effenbergerite pods to across in massive purple sugilite.
Location: Wessels Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: Crystal size 4 mm.
© John Veevaert

Efremovite: (NH4)2Mg2(SO4)3

Comments: White, massive efremovite. The mineral is hygroscopic and must be stored in a closed box.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

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

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

Ehrleite: Ca2ZnBe(PO4)2(PO3,OH)·4(H2O)  
Parascholzite: CaZn2(PO4)2·2(H2O)

Comments: White to clear, slender, 1-2mm, thin platy crystals of ehrleite associated with slender or thin, long-bladed parascholzite. Type specimen courtesy of Museum of Geology, SD School of Mines.
Location: Tip Top mine, Custer County, South Dakota, USA. Scale: Crystal size 1-2 mm.
© Tom Loomis / Dakota Matrix

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