Mineral Specimen Images (J)

Jarlite: Na(Sr,Na,[ ])7(Mg,[ ])Al6F32(OH,H2O)2

Comments: Tan radial botryoidal waxy masses of jarlite in matrix.
Location: Ivigtut, Greenland. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Jarosewichite: Mn++3Mn+++(AsO4)(OH)6  
Flinkite:

Comments: Radial divergent spray of thick prismatic jarosewichite crystals with bladed flinkite crystals. (AmMin, v67:1043).
Location: Franklin mine, Franklin, SussexC ounty, New Jersey, USA. Scale: Scale Bar 100 µm.
© American Mineralogist

Jarosite: KFe+++3(SO4)2(OH)6  
Alunogen: Al2(SO4)3·17(H2O)

Comments: Colorless to white, tabular crystals alunogen on reddish jarosite.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Jarosite: KFe+++3(SO4)2(OH)6  
Fairbankite: PbTe++++O3

Comments: Colorless to white crystals of fairbankite with orangish brown jarosite.
Location: Tombstone, Tombstone District, Cochise Co., Arizona, USA. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Jarosite: KFe+++3(SO4)2(OH)6

Comments: Deep brown lustrous crystals of Jarosite to 2 mm.
Location: Soureza, Attika, Greece. Scale: 2.8 x 1.6 cm.
© John Veevaert

Jarosite: KFe+++3(SO4)2(OH)6  
Winstanleyite: TiTe++++3O8

Comments: Small, yellow octahedral crystal of winstanleyite on brownish red jarosite.
Location: Tombstone, Tombstone District, Cochise Co., Arizona, USA. Scale: Picture size 0.9 mm.
© Thomas Witzke / Abraxas-Verlag

Jaskolskiite: Pb2+xCux(Sb,Bi)2-xS5, x=0.2

Comments: Silvery gray metallic granular jaskolskiite (mounted on paper).
Location: Vena, Bergslagen, Orebro, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Jasmundite: Ca11(SiO4)4O2S  
Cuspidine: Ca4Si2O7(F,OH)2

Comments: Tan-brownish crystals of jasmundite and dark green cuspidine with gehlenite and spinel in matrix.
Location: Bellerberg, Eifel, Germany. Scale: Not Given.
© Diederik Visser

Jeanbandyite: (Fe+++,Mn++)Sn++++(OH)6

Comments: Yellowish brown translucent microcrystal of jeanbandyite on mineral encrusted fluorite.
Location: Mount Pleasant Tin Mine, New Brunswick, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Jennite: Ca9Si6O18(OH)6·8H2O

Comments: Bright white fibrous jennite veinlet in rock.
Location: Crestmore Quarry, Riverside County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Jensenite: Cu++3Te++++++O6·2(H2O)

Comments: Small green crystals of jensenite in matrix.
Location: Centennial Eureka Mine, Tintic District, Juab Co., Utah, USA. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Jentschite: TlPbAs2SbS6

Comments: Black and dark red translucent needles of jentschite on white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Picture width 1 cm.
© Walter Gabriel

Jeppeite: (K,Ba)2(Ti,Fe+++)6O13

Comments: Dark brown crystalline granular jeppeite.
Location: Walgidee Hills, Western Australia, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Jeremejevite: Al6B5O15(F,OH)3

Comments: Partial crystal fragment of jeremejevite.
Location: Mile 72, Swakopmund, Namibia. Scale: Crystal size 0.5 cm.
© John Veevaert

Jeremejevite: Al6B5O15(F,OH)3

Comments: Two-toned hexagonal crystal of jeremejevite with blue bases and white terminations.
Location: Erongo Mountains, Namibia. Scale: Crystal size 2 cm.
© John Veevaert

Jeromite: As(S,Se)2

Comments: Orange, powdery jeromite on matrix.
Location: Salar de Surire, Tarapaca, Chile. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Jerrygibbsite: (Mn,Zn)9(SiO4)4(OH)2

Comments: Pale pink interlocking anhedral jerrygibbsite grains associated with black zincite and franklinite. Co-type specimen.
Location: Parker Shaft, Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA. Scale: See Image.
© Rruff Database

Jervisite: (Na,Ca,Fe++)(Sc,Mg,Fe++)Si2O6  
Cascandite: Ca(Sc,Fe++)Si3O8(OH)

Comments: White, acicular jervisite crystals and pink cascandite crystals.
Location: Seula min,, Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy. Scale: Crystal Size 1 mm.
© Sergio Varvello / Mineral Service

Jimboite: Mn3B2O6

Comments: Dark red-brown crystalline jimboite veinlet in massive rhodochrosite.
Location: Rito Mine, Azuma Mura, Seta-gun, Gumma, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Jimthompsonite: (Mg,Fe++)5Si6O16(OH)2  
Clinojimthompsonite: (Mg,Fe++)5Si6O16(OH)2

Comments: Pale green to white glassy crystalline fibrous clinojimthompsonite intergrown with jimthompsonite.
Location: Chester, Windsor County, Vermont, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species