Jeff Weissman's Image Gallery

Images from Jeff Weissman

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Jeff Weissman's Image Gallery With 2354 Images

Nsutite Image

Images:

Nsutite: (Mn++++1-x)(Mn++x)(O2-2x)(OH2x) where x = 0.06-0.07

Comments: Dark gray to black sub-metallic to dull massive nsutite.
Location: Nsuta, Western Province, Ghana. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Nsutite Image

Images:

Nsutite: (Mn++++1-x)(Mn++x)(O2-2x)(OH2x) where x = 0.06-0.07

Comments: Dark gray to black sub-metallic to dull massive nsutite.
Location: Nsuta, Western Province, Ghana. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Obradovicite Image

Images:

Obradovicite: H4(K,Na)Cu++Fe+++2(AsO4)(MoO4)5·12(H2O)

Comments: Brownish yellow obradovicite coatings on quartz.
Location: Chuquicamata, Antofagasta, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Obradovicite Image

Images:

Obradovicite: H4(K,Na)Cu++Fe+++2(AsO4)(MoO4)5·12(H2O)

Comments: Brownish yellow obradovicite coatings on quartz.
Location: Chuquicamata, Antofagasta, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ohmilite Image

Images:

Ohmilite: Sr3(Ti,Fe+++)(Si2O6)2(O,OH)·2-3(H2O)

Comments: Pale yellow translucent acicular ohmilite crystal cluster in matrix.
Location: Hashidate, Ohmi cho, Niigata, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ohmilite Image

Images:

Ohmilite: Sr3(Ti,Fe+++)(Si2O6)2(O,OH)·2-3(H2O)

Ojuelaite Image

Images:

Ojuelaite: ZnFe+++2(AsO4)2(OH)2·4(H2O)

Comments: Yellow-green ojuelaite masses on limonite and quartz.
Location: Mina Ojuela, Mapimi, Durango, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ojuelaite Image

Images:

Ojuelaite: ZnFe+++2(AsO4)2(OH)2·4(H2O)

Comments: Yellow-green ojuelaite masses on limonite and quartz.
Location: Mina Ojuela, Mapimi, Durango, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Oldhamite Image

Images:

Oldhamite: (Ca,Mg,Fe)S

Comments: Brown crystalline oldhamite grains in anhydrite.
Location: Ronneburg, Thuringen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Oldhamite Image

Images:

Oldhamite: (Ca,Mg,Fe)S

Comments: Brown crystalline oldhamite grains in anhydrite.
Location: Ronneburg, Thuringen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Oligoclase Image

Images:

Oligoclase: (Na,Ca)(Si,Al)4O8
Plagioclase: (Na,Ca)(Si,Al)4O8

Comments: Clear glassy crystalline oligoclase with milky quartz and muscovite.
Location: Bakersville, Mitchell County, North Carolina, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Oligoclase Image

Images:

Oligoclase: (Na,Ca)(Si,Al)4O8
Plagioclase: (Na,Ca)(Si,Al)4O8

Omphacite Image

Images:

Omphacite: (Ca,Na)(Mg,Fe++,Al)Si2O6

Comments: Dark green crystalline omphacite with glaucophane.
Location: Healdsburg, Sonoma County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Omphacite Image

Images:

Omphacite: (Ca,Na)(Mg,Fe++,Al)Si2O6

Orcelite Image

Images:

Orcelite: Ni5-xAs2 (x=0.23)

Comments: Bronze micro spherical orcelite coated with greenish zaratite.
Location: Tiebaghi Massif, New Caledonia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Orcelite Image

Images:

Orcelite: Ni5-xAs2 (x=0.23)

Oregonite Image

Images:

Oregonite: Ni2FeAs2

Comments: Steel gray, altering to brown, rounded oregonite pebble with serpentinite rock.
Location: Josephine Creek, Josephine County, Oregon, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Oregonite Image

Images:

Oregonite: Ni2FeAs2

Orientite Image

Images:

Orientite: Ca2Mn++Mn+++2Si3O10(OH)4

Comments: Reddish brown massive orientite with pyrolusite.
Location: Oriente Province, Cuba. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Orientite Image

Images:

Orientite: Ca2Mn++Mn+++2Si3O10(OH)4

Comments: Reddish brown massive orientite with pyrolusite.
Location: Oriente Province, Cuba. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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