Jeff Weissman's Image Gallery

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

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.

Images from Jeff Weissman

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Jeff Weissman's Image Gallery With 1177 Images

Abhurite Image

Images:

Abhurite: Sn3O(OH)2Cl2

Comments: Pearly translucent pale yellow crystalline abhurite.
Location: Shipwreck off Hidra, Vest-Agder, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Acetamide Image

Images:

Acetamide: CO(CH3)(NH2)

Comments: White crystalline crust of acetamide on black shale.
Location: Shamokin, Northumberland County, Pennsylvania, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Aegirine Image

Images:

Aegirine: NaFe+++Si2O6
Calcioburbankite: Na3(Ca,REE,Sr)3(CO3)5

Comments: Tan crystal spray of calcioburbankite on dark green aegirine.
Location: Mont Saint Hilaire, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Aegirine Image

Images:

Aegirine: NaFe+++Si2O6
Manganotychite: Na6(Mn++,Fe++,Mg)2(SO4)(CO3)4

Comments: Pale rose-tan granular manganotychite with black aegirine prism.
Location: Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Aenigmatite Image

Images:

Aenigmatite: (Na,Ca)4(Fe++,Ti,Mg)12Si12O40

Comments: Dark, crystal prism of aenigmatite in white albite with astrophyllite.
Location: Mount Eveslogchorr, Khibiny Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Aerinite Image

Images:

Aerinite: (Ca,Na)6FeAl(Fe++,Mg)2(Al,Mg)6[Si12O36(OH)12H][(H2O)12(CO3)]

Comments: Pale blue massive aerinite.
Location: Cripple Creek, Teller County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Agrellite Image

Images:

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

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

Ahlfeldite Image

Images:

Ahlfeldite: (Ni,Co)SeO3·2(H2O)

Comments: Green encrustations of ahlfeldite on matrix.
Location: Mina El Dragon, Potosi, Bolivia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Aikinite Image

Images:

Aikinite: PbCuBiS3

Comments: Gray metallic prismatic crystals of aikinite and crystalline quartz.
Location: Mike Mine, San Juan County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Aikinite Image

Images:

Aikinite: PbCuBiS3
Berryite: Cu3Ag2Pb3Bi7S16

Comments: Fine-grained, gray, metallic granular berryite with silvery, metallic, prismatic aikinite.
Location: Mike Mine, San Juan County, Colorado. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Akaganeite Image

Images:

Akaganeite: Fe+++(O,OH,Cl)

Comments: Rusty brown coating of akaganeite on rock.
Location: Wells, Elko County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Akatoreite Image

Images:

Akatoreite: (Mn++,Fe++)9Al2Si8O24(OH)8
Rhodonite: (Mn++,Fe++,Mg,Ca)SiO3

Comments: Brown akatoreite in pink rhodonite.
Location: Akatore Creek, Eastern Otago Peninsula, South Island, New Zealand. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Akdalaite Image

Images:

Akdalaite: 5(Al2O3)·(H2O)

Comments: Crystalline white akdalaite.
Location: Bulla Island, Caspian Sea, Kazakhstan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Akermanite Image

Images:

Akermanite: Ca2MgSi2O7

Comments: White translucent crystals akermanite.
Location: Lago de Vico, Viterbo, Lazio, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Akhtenskite Image

Images:

Akhtenskite: Mn++++O2

Comments: Dark gray grains of akhtenskite with brown superficial coating.
Location: Akhtenskoye Deposit, Chelyabinsk District, Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Alabandite Image

Images:

Alabandite: MnS

Comments: Dark gray stalactitic alabandite.
Location: Broken Hill Proprietary Mine, Broken Hill, New South Wales, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Alabandite Image

Images:

Alabandite: MnS
Daubreelite: Fe++Cr2S4

Comments: Daubreelite (D), bright metallic white, with alabandite (A) (dull yellow) as inclusions in a polished section of an achondrite meteorite.
Location: Norton County, Kansas. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Algodonite Image

Images:

Algodonite: Cu6As
Koutekite: Cu5As2

Comments: Silvery metallic koutekite with darker gray algodonite.
Location: Mohawk Mine, Keweenaw County, Michigan, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Aliettite Image

Images:

Aliettite: [Mg3Si4O10(OH)2](Ca0.5,Na)0.33(Al,Mg,Fe++)2-3(Si,Al)4O10(OH)2·n(H2O)

Comments: Tan to brownish pseudomorph of aliettite after wollastonite.
Location: Ingichka, Uzbekistan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Alleghanyite Image

Images:

Alleghanyite: Mn5(SiO4)2(OH)2

Comments: Massive, brown alleghanyite with white calcite.
Location: Parker Shaft, Franklin, Sussex County, New Jersey. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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