Mineral Specimen Images (J)

Mineral Specimen Images (J)
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Mineral Specimen Images (J) With 168 Images

Jahnsite-(CaMnFe) Image

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Jahnsite-(CaMnFe): CaMn++Fe++2Fe+++2(PO4)4(OH)2·8(H2O)

Comments: Orange-brown microcrystalline jahnsite-(CaMnFe) associated with quartz.
Location: Voron'i Tundry, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: See Image.
© Rruff Database

Jahnsite-(CaMnFe) Image

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Jahnsite-(CaMnFe): CaMn++Fe++2Fe+++2(PO4)4(OH)2·8(H2O)

Comments: Orange-brown microcrystalline jahnsite-(CaMnFe) associated with quartz.
Location: Voron'i Tundry, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: See Image.
© Rruff Database

Jahnsite-(CaMnMg) Image

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Jahnsite-(CaMnMg): CaMnMg2Fe+++2(PO4)4(OH)2·8(H2O)

Comments: Brown, striated, transparent crystals of jahnsite-(CaMnMg) on matrix.
Location: Tip Top mine, Custer, Custer County, South Dakota, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Jahnsite-(CaMnMg) Image

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Jahnsite-(CaMnMg): CaMnMg2Fe+++2(PO4)4(OH)2·8(H2O)

Comments: Brown, striated, transparent crystals of jahnsite-(CaMnMg) on matrix.
Location: Tip Top mine, Custer, Custer County, South Dakota, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Jahnsite-(CaMnMn) Image

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Jahnsite-(CaMnMn): CaMn++Mn++2Fe+++2(PO4)4(OH)2·8(H2O)

Comments: Brown grains of jahnsite-(CaMnMn) in matrix.
Location: Bendada Quarry, Belmonte, Beira Alta, Portugal. Scale: Picture size 1 cm.
© Tom Loomis / Dakota Matrix

Jahnsite-(CaMnMn) Image

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Jahnsite-(CaMnMn): CaMn++Mn++2Fe+++2(PO4)4(OH)2·8(H2O)

Comments: Brown grains of jahnsite-(CaMnMn) in matrix.
Location: Bendada Quarry, Belmonte, Beira Alta, Portugal. Scale: Picture size 1 cm.
© Tom Loomis / Dakota Matrix

Jahnsite-(MnMnMn) Image

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Jahnsite-(MnMnMn): MnMnMn2Fe+++2(PO4)4(OH)2·8(H2O)

Comments: Brownish red aggregate of jahnsite-(MnMnMn).
Location: Stewart Mine, Near Pala, San Diego Co., California, USA. Scale: Specimen Size 8x5x4 mm.
© Sergey Vasiliev / Systematic Mineralogy

Jahnsite-(MnMnMn) Image

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Jahnsite-(MnMnMn): MnMnMn2Fe+++2(PO4)4(OH)2·8(H2O)

Comments: Brownish red aggregate of jahnsite-(MnMnMn).
Location: Stewart Mine, Near Pala, San Diego Co., California, USA. Scale: Specimen Size 8x5x4 mm.
© Sergey Vasiliev / Systematic Mineralogy

Jalpaite Image

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Jalpaite: Ag3CuS2

Comments: Tarnished black lustrous masses of jalpaite in rock with blue chrysocolla.
Location: La Mesa, Chihuahua, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Jalpaite Image

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Jalpaite: Ag3CuS2

Comments: Tarnished black lustrous masses of jalpaite in rock with blue chrysocolla.
Location: La Mesa, Chihuahua, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Jamborite Image

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Jamborite: (Ni++,Ni+++,Fe)(OH)2(OH,S,(H2O))

Comments: Green coatings of jamborite on millerite filaments, in vug.
Location: Halls Gap, Lincoln County, Kentucky, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Jamborite Image

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Jamborite: (Ni++,Ni+++,Fe)(OH)2(OH,S,(H2O))

Comments: Green coatings of jamborite on millerite filaments, in vug.
Location: Halls Gap, Lincoln County, Kentucky, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Jamesite Image

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Jamesite: Pb2Zn2Fe+++5(AsO4)5O4  
Duftite-beta: PbCu(AsO4)(OH)

Comments: Reddish-brown bladed jamesite crystals overgrown with white dolomite and associated with dark green duftite.
Location: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia. Scale: See Image.
© Rruff Database

Jamesite Image

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Jamesite: Pb2Zn2Fe+++5(AsO4)5O4  
Duftite-beta: PbCu(AsO4)(OH)

Comments: Reddish-brown bladed jamesite crystals overgrown with white dolomite and associated with dark green duftite.
Location: Tsumeb mine, Tsumeb, Otavi District, Oshikoto, Namibia. Scale: See Image.
© Rruff Database

Jamesonite Image

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Jamesonite: Pb4FeSb6S14

Comments: Metallic, hair-like, crystals of jamesonite on matrix.
Location: Baie Sprie (Felsobanya), Maraures, Romania. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Jamesonite Image

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Jamesonite: Pb4FeSb6S14

Comments: Metallic, hair-like, crystals of jamesonite on matrix.
Location: Baie Sprie (Felsobanya), Maraures, Romania. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Janhaugite Image

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Janhaugite: (Na,Ca)3(Mn++,Fe++)3(Ti++++,Zr,Nb)2Si4O15(OH,F,O)3

Comments: Reddish-brown columnar crystalline janhaugite in white matrix.
Location: Gjerdingen, Nordmark, north of Oslo, Oslo, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Janhaugite Image

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Janhaugite: (Na,Ca)3(Mn++,Fe++)3(Ti++++,Zr,Nb)2Si4O15(OH,F,O)3

Comments: Reddish-brown columnar crystalline janhaugite in white matrix.
Location: Gjerdingen, Nordmark, north of Oslo, Oslo, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Janhaugite Image

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Janhaugite: (Na,Ca)3(Mn++,Fe++)3(Ti++++,Zr,Nb)2Si4O15(OH,F,O)3  
Dalyite: K2ZrSi6O15

Comments: Tan crystalline dalyite (arrow) with reddish brown janhaugite.
Location: Gjerdingen, Nordmark, north of Oslo, Oslo, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Janhaugite Image

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Janhaugite: (Na,Ca)3(Mn++,Fe++)3(Ti++++,Zr,Nb)2Si4O15(OH,F,O)3  
Dalyite: K2ZrSi6O15

Comments: Tan crystalline dalyite (arrow) with reddish brown janhaugite.
Location: Gjerdingen, Nordmark, north of Oslo, Oslo, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
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