's Image Gallery

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

Eucairite: CuAgSe  
Schlemaite: (Cu,[ ])6(Pb,Bi)Se4  
Clausthalite: PbSe

Comments: Reflected-light digital-image of the intermixed schlemaite grain in type sample F2, from which the reflectance, crystallographic and crystal-structure data were obtained. (CanMin, v 41, p 1435).
Location: "Tiber" dike, -855-m level, block 5128, main shaft # 371, Niederschlema-Alberoda vein-type uranium depost at Hartensein, Erzgebirge, Germany. Scale: See Picture.
© Canadian Mineralogist

Eucairite: CuAgSe  
Crookesite: Cu7(Tl,Ag)Se4

Comments: Polished section (PPL) showing zoned crystal of cream-colored eucairite and pale lavender crookesite along with steel blue umangite and white clausthalite in dark gray gangue..
Location: Mine dump (tailings) of Shaft 371 near Hartenstein/Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Schlothauer

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

Euchroite: Cu2(AsO4)(OH)·3(H2O)

Comments: Dark green, blocky crystals of euchroite on matrix.
Location: Missoula County, Montana, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Euchroite: Cu2(AsO4)(OH)·3(H2O)

Comments: Green, well developed, coarsely-crystalline euchroite on matrix.
Location: L'Ubietová (Libethen) Slovak Republic. Scale: 1.9 x 1.2 x 0.8 cm.
© Fabre Minerals

Euclase: BeAlSiO4(OH)

Comments: Euclase with sharp edges and great color. This specimen is from one of the famous and finest world finds of euclase, in the Colombian Emeralds area.
Location: Chivor, Columbia. Scale: 1.2 x 0.6 cm.
© Fabre Minerals

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

Eucryptite: LiAlSiO4

Comments: Fine grained, massive eucryptite. Fluorescent Red under SW.
Location: Midnight Owl mine, Yavapai Co., Arizona, USA. Scale: 6x4x4cm.
© Tom Loomis / Dakota Matrix

Eudialyte: Na4(Ca,Ce)2(Fe++,Mn,Y)ZrSi8O22(OH,Cl)2 (?)  
Natrolite: Na2[Al2Si3O10]·2(H2O)

Comments: Druse of gemmy, red eudialyte crystals to 1 mm on white natrolite.
Location: Mt. St. Hilaire, Quebec, Canada. Scale: Picture size 1.5 cm.
© John Veevaert

Eudialyte: Na4(Ca,Ce)2(Fe++,Mn,Y)ZrSi8O22(OH,Cl)2 (?)  
Vlasovite: Na2ZrSi4O11

Comments: Transparent yellow-gray vlasovite crystal frozen in pink eudialyte matrix.
Location: Kipawa alkaline complex, near Sheffield Lake, Villedieu Township, Témiscamingue Co., Québec, Canada. Scale: 2x2x1 cm.
© John Betts - Fine Minerals

Eudialyte: Na4(Ca,Ce)2(Fe++,Mn,Y)ZrSi8O22(OH,Cl)2 (?)  
Agrellite: NaCa2Si4O10F

Comments: Tan agrellite grain, with red eudialyte.
Location: Kipiwa Complex, Villedieu, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Eudialyte: Na4(Ca,Ce)2(Fe++,Mn,Y)ZrSi8O22(OH,Cl)2 (?)  
Gittinsite: CaZrSi2O7

Comments: White crystalline gittinsite with red eudialyte.
Location: Kipiwa Complex, Villedieu Township, Quebec, Canada. 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

Eugenite: Ag9Hg2

Comments: Metallic, silvery eugenite.
Location: Copiapó, Atacama, Chile. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Eugenite: Ag9Hg2

Comments: Brassy, silvery eugenite alteration of leaf silver to 4mm.
Location: Elisa de Bordos mine, Copiapó, Atacama Province, Chile. Scale: Picture size 1 cm.
© Tom Loomis / Dakota Matrix

Eulytite: Bi4(SiO4)3

Comments: Brown, isometric crystals of eulytite on matrix.
Location: Schneeberg, Saxony, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Euxenite-(Y): (Y,Ca,Ce)(Nb,Ta,Ti)2O6

Comments: Crystal of euxenite-(Y) in matrix.
Location: Trout Creek Pass, Chaffee County, Colorado, USA. Scale: Crystal size 1.5 cm.
© John Veevaert

Evansite: Al3(PO4)(OH)6·6(H2O) (?)

Comments: Cream-colored, amorphous evansite coating an unknown striated, prismatic mineral, now missing (see hollow shells)..
Location: Cobalt, Idaho. Scale: Picture size 3 cm.
© John Veevaert

Eveite: Mn2(AsO4)(OH)  
Akrochordite: Mn4Mg(AsO4)2(OH)4·4(H2O)

Comments: Micro crystals (to about 0.75mm) of very pale grayish green eveite in tiny vug with light pink akrochordite. Co-Type specimen & type locality.
Location: Langban, Varmland, Sweden. Scale: 13x10x4 mm.
© Tom Loomis / Dakota Matrix