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Dakota Matrix was founded in 1996 and has offered systematic and rare mineral specimens online since 1998.

Weinrich Minerals, A Dealer in Fine Mineral Specimens - Since 1989. We buy collections and single high quality specimens.

McDougall Minerals sells high-quality mineral specimens from all over the world to collectors of all levels, from beginners to connoisseurs

John Betts - Fine Minerals, New York. Dealers of Fine Minerals and Natural Crystal Clusters since 1989. We buy rock collections, we buy gem collections, we buy mineral collections.

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's Image Gallery With 4041 Images

Edingtonite Image

Images:

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 Image

Images:

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 Image

Images:

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 Image

Images:

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 Image

Images:

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 Image

Images:

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 Image

Images:

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 Image

Images:

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 Image

Images:

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

Eirikite Image

Images:

Eirikite: KNa6Be2(Si15Al3)O39F2

Comments: Radial aggregates of silky white eirikite crystals in matrix.
Location: Mt. Eveslogchorr, Chibiny, Kola, Russia. Scale: Not Given.
© Diederik Visser

Eitelite Image

Images:

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

Ekanite Image

Images:

Ekanite: ThCa2Si8O20

Comments: Complex specimen of many minerals, most notable are four red ekanite crystals (rare!) scattered around the specimen.
Location: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mt Saint-Hilaire, Rouville Co., Québec, Canada. Scale: 6x4x4 cm.
© John Betts - Fine Minerals

Ekaterinite Image

Images:

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

Ekatite Image

Images:

Ekatite: (Fe+++,Fe++,Zn)12(OH)6[AsO3]6[AsO3,HOSiO3]2

Comments: Divergent spray of dark brown acicular ekatite crystals.
Location: Tsumeb mine, Namibia.. Scale: 15 mm Tall.
© William Pinch

Elbaite Image

Images:

Elbaite: Na(Li,Al)3Al6(BO3)3Si6O18(OH)4

Comments: Doubly terminated tri-color elbaite (tourmaline) with minor white clevelandite (albite).
Location: Himalaya mine, San Diego County, California, USA. Scale: 3 x 1.5 cm.
© Fabre Minerals

Elbaite Image

Images:

Elbaite: Na(Li,Al)3Al6(BO3)3Si6O18(OH)4

Comments: Gemmy-blue crystal of elbaite (Indicolite) tourmaline.
Location: Morro Redondo Mine in Minas Gerais, Brazil. Scale: Crystal size 8.5 cm.
© Kevin Ward

Ellenbergerite Image

Images:

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

Ellestadite Image

Images:

Ellestadite: Ca5(SiO4,PO4,SO4)3(F,OH,Cl)

Comments: Honey yellow hexagonal dipyramids of ellestadite in light blue marble matrix.
Location: Crestmore Quarry, Riverside County, California, USA. Scale: 6 x 7.7 cm.
© John Veevaert

Ellestadite-(Cl) Image

Images:

Ellestadite-(Cl): Ca5(SiO4,PO4,SO4)3(Cl,OH,F)

Comments: Pale yellow rounded crystals of ellestadite-(Cl) (chlorellestadite), in blue marble.
Location: Jensen Quarry, Jurupa, Riverside Co., California, USA. Scale: Crystal Length 5 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Ellestadite-(F) Image

Images:

Ellestadite-(F): Ca5(SiO4,PO4,SO4)3(F,OH,Cl)

Comments: Blue-green granular fluorellestadite in calcium rich rock matrix.
Location: Kopeisk, Chelyabinsk District, Southern Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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