Jeff Weissman's Image Gallery

Images from Jeff Weissman

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Jeff Weissman's Image Gallery With 2354 Images

Orlymanite Image

Images:

Orlymanite: Ca4Mn++3Si8O20(OH)6·2(H2O)

Comments: Brown crystalline orlymanite with radiating structure, on inesite.
Location: N'Chwaning Mine, Kuruman, Northern Cape Province, South Africa. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Orlymanite Image

Images:

Orlymanite: Ca4Mn++3Si8O20(OH)6·2(H2O)

Orpheite Image

Images:

Orpheite: PbAl3(PO4,SO4)2(OH)6 (?)

Comments: Opaque botryoidal orpheite crust.
Location: Near Valmy, Humboldt County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Orpheite Image

Images:

Orpheite: PbAl3(PO4,SO4)2(OH)6 (?)

Comments: Opaque botryoidal orpheite crust.
Location: Near Valmy, Humboldt County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Orthochamosite Image

Images:

Orthochamosite: (Fe++,Mg,Fe+++)5Al(Si3Al)O10(OH,O)8

Comments: Pale green micaceous orthochamosite in quartz.
Location: Near Manggruvan, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Orthochamosite Image

Images:

Orthochamosite: (Fe++,Mg,Fe+++)5Al(Si3Al)O10(OH,O)8

Comments: Pale green micaceous orthochamosite in quartz.
Location: Near Manggruvan, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Orthochrysotile Image

Images:

Orthochrysotile: Mg3Si2O5(OH)4

Comments: Pale tan asbestos fiber (orthochrysotile) vein in rock.
Location: El Dorado Mine, Salt River Canyon, Gila County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Orthochrysotile Image

Images:

Orthochrysotile: Mg3Si2O5(OH)4

Osumilite-(Mg) Image

Images:

Osumilite-(Mg): (K,Na)(Mg,Fe++)2(Al,Fe+++)3(Si,Al)12O30

Comments: Sapphire-blue colored osumilite-(Mg) crystal in dacite.
Location: Yamanoguchi, Iriki, Satsuma-gun, Kagoshima Prefecture, Kyushu Island, Japan. Scale: Crystal Size 0.05 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Osumilite-(Mg) Image

Images:

Osumilite-(Mg): (K,Na)(Mg,Fe++)2(Al,Fe+++)3(Si,Al)12O30

Ottrelite Image

Images:

Ottrelite: (Mn,Fe++,Mg)2Al4Si2O10(OH)4

Comments: Dark green crystalline ottrelite in quartz.
Location: Vielsalm, Luxembourg, Belgium. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ottrelite Image

Images:

Ottrelite: (Mn,Fe++,Mg)2Al4Si2O10(OH)4

Comments: Dark green crystalline ottrelite in quartz.
Location: Vielsalm, Luxembourg, Belgium. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Otwayite Image

Images:

Otwayite: Ni2(CO3)(OH)2·(H2O)

Comments: Pale green botryoidal otwayite on serpentinite rock.
Location: Otway Prospect, Nullagin Plain, Western Australia, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Otwayite Image

Images:

Otwayite: Ni2(CO3)(OH)2·(H2O)

Overite Image

Images:

Overite: CaMgAl(PO4)2(OH)·4(H2O)

Comments: Clear, pale yellow prismatic crystals of overite deep inside a crandallite vug.
Location: Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA. Scale: Picture Size 2.5 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Overite Image

Images:

Overite: CaMgAl(PO4)2(OH)·4(H2O)

Owyheeite Image

Images:

Owyheeite: Pb7Ag2(Sb,Bi)8S20

Comments: Acicular owyheeite microcrystals in quartz.
Location: Lower Magnolia Mine, Morey District, Nye County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Owyheeite Image

Images:

Owyheeite: Pb7Ag2(Sb,Bi)8S20

Oxammite Image

Images:

Oxammite: (NH4)2(C2O4)·(H2O)

Comments: Pale yellow translucent crystalline granular oxammite.
Location: Petrogale Cave, Western Australia, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Oxammite Image

Images:

Oxammite: (NH4)2(C2O4)·(H2O)

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