Canadian Mineralogist's Image Gallery

Rinmanite: (Zn,Mn)2Sb2Mg2Fe4O14(OH)2  
Franklinite: (Zn,Mn++,Fe++)(Fe+++,Mn+++)2O4

Comments: B&W image (reflected light) of a polished section of rinmanite and franklinite (white) with associated silicates.
Location: Garpenberg Norra Zn-Pb mine, Hedemora, Dalarna, in south-central Sweden. (CanMin, v39:1675). Scale: Scale Bar 0.2 mm.
© Canadian Mineralogist

Rinmanite: (Zn,Mn)2Sb2Mg2Fe4O14(OH)2

Comments: A. Specimen with carbonates (white), amphibole (reddish) and franklinite–rinmanite (dark spots). B. Same specimen illuminated with UV light (254 nm). Note the orange-red carbonate fluorescence.
Location: Garpenberg Norra Zn-Pb mine, Hedemora, Dalarna, in south-central Sweden. (CanMin, v39:1675). Scale: Specimen Size 5 cm wide.
© Canadian Mineralogist

Rinmanite: (Zn,Mn)2Sb2Mg2Fe4O14(OH)2

Comments: A. Specimen with carbonates (white), amphibole (reddish) and franklinite–rinmanite (dark spots). B. Same specimen illuminated with UV light (254 nm). Note the orange-red carbonate fluorescence.
Location: Garpenberg Norra Zn-Pb mine, Hedemora, Dalarna, in south-central Sweden. (CanMin, v39:1675). Scale: Specimen Size 5 cm wide.
© Canadian Mineralogist

Rinmanite: (Zn,Mn)2Sb2Mg2Fe4O14(OH)2  
Franklinite: (Zn,Mn++,Fe++)(Fe+++,Mn+++)2O4

Comments: B&W image (reflected light) of a polished section of rinmanite and franklinite (white) with associated silicates.
Location: Garpenberg Norra Zn-Pb mine, Hedemora, Dalarna, in south-central Sweden. (CanMin, v39:1675). Scale: Scale Bar 0.2 mm.
© Canadian Mineralogist

Rittmannite: Mn++Mn++Fe++Al2(OH)2(PO4)4·8(H2O)

Comments: SEM image of rittmannite crystals on massive adularia. (CanMin, v27:447).
Location: Found in altered phosphatic "nodules" from the Mangualde granitic pegmatite, Portugal. Scale: 240 X.
© Canadian Mineralogist

Rittmannite: Mn++Mn++Fe++Al2(OH)2(PO4)4·8(H2O)

Comments: SEM image of rittmannite crystals on massive adularia. (CanMin, v27:447).
Location: Found in altered phosphatic "nodules" from the Mangualde granitic pegmatite, Portugal. Scale: 240 X.
© Canadian Mineralogist

Ruarsite: RuAsS

Comments: BSE image showing LR: laurite, RURS: ruarsite, Ru-–ox: Ru oxide(?), Ru-Ni-As-S: unnamed Ru-Ni sulfarsenide. (CanMin, v31:331).
Location: Podiform chromitites of the Kraubath and Hochgrossen dunite-harzburgite massifs, Eastern Alps of Austria. Scale: Scale Bar 10 µm.
© Canadian Mineralogist

Ruarsite: RuAsS

Comments: BSE image showing LR: laurite, RURS: ruarsite, Ru-–ox: Ru oxide(?), Ru-Ni-As-S: unnamed Ru-Ni sulfarsenide. (CanMin, v31:331).
Location: Podiform chromitites of the Kraubath and Hochgrossen dunite-harzburgite massifs, Eastern Alps of Austria. Scale: Scale Bar 10 µm.
© Canadian Mineralogist

Ruifrancoite: Ca2([ ],Mn)2(Fe+++,Mn,Mg)4Be4(PO4)6(OH)4·6H2O

Comments: Botryoidal reddish brown aggregates of ruifrancoite associated with cyrilovite, and yellowish white spheres of meurigite on white mica. (CanMin, v45:1263).
Location: Sapucaia mine, Galiléia, Minas Gerais, Brazil. Scale: See Image.
© Canadian Mineralogist

Ruifrancoite: Ca2([ ],Mn)2(Fe+++,Mn,Mg)4Be4(PO4)6(OH)4·6H2O

Comments: Botryoidal reddish brown aggregates of ruifrancoite associated with cyrilovite, and yellowish white spheres of meurigite on white mica. (CanMin, v45:1263).
Location: Sapucaia mine, Galiléia, Minas Gerais, Brazil. Scale: See Image.
© Canadian Mineralogist

Ruthenarsenite: (Ru,Ni)As  
Irarsite: (Ir,Ru,Rh,Pt)AsS

Comments: Photomicrograph of the largest inclusion of ruthenarsenite (Ru) associated with irarsite inclusions (Ir) in a rutheniridosmine matrix. (CanMin, v12:280).
Location: Papua New Guinea. Scale: See Image.
© Canadian Mineralogist

Ruthenarsenite: (Ru,Ni)As  
Irarsite: (Ir,Ru,Rh,Pt)AsS

Comments: Photomicrograph of the largest inclusion of ruthenarsenite (Ru) associated with irarsite inclusions (Ir) in a rutheniridosmine matrix. (CanMin, v12:280).
Location: Papua New Guinea. Scale: See Image.
© Canadian Mineralogist

Salzburgite: Cu1.6Pb1.6Bi6.4S12

Comments: B&W RL image of lamella of copper-oversubstituted gladite (bd39) with incipient exsolution; above it is a large crystal of salzburgite (bd40) with lamellae of krupkaite (bd48). Bi telluride and gustavite are indicated.
Location: Found in quartz veins of the Felbertal scheelite deposit, Salzburg Province, Austria. (CanMin, v43:909). Scale: See Image.
© Canadian Mineralogist

Salzburgite: Cu1.6Pb1.6Bi6.4S12

Comments: B&W RL image of lamella of copper-oversubstituted gladite (bd39) with incipient exsolution; above it is a large crystal of salzburgite (bd40) with lamellae of krupkaite (bd48). Bi telluride and gustavite are indicated.
Location: Found in quartz veins of the Felbertal scheelite deposit, Salzburg Province, Austria. (CanMin, v43:909). Scale: See Image.
© Canadian Mineralogist

Samfowlerite: Ca14Mn++3Zn2(Be,Zn)2Be6(SiO4)6(Si2O7)4(OH,F)6

Comments: SEM image of typical crystals of samfowlerite. (CanMin, v32:43).
Location: Franklin mine, in Franklin, Sussex County, New Jersey, USA. Scale: Picture Size 0.7 µm.
© Canadian Mineralogist

Samfowlerite: Ca14Mn++3Zn2(Be,Zn)2Be6(SiO4)6(Si2O7)4(OH,F)6

Comments: SEM image of typical crystals of samfowlerite. (CanMin, v32:43).
Location: Franklin mine, in Franklin, Sussex County, New Jersey, USA. Scale: Picture Size 0.7 µm.
© Canadian Mineralogist

Schlemaite: (Cu,[ ])6(Pb,Bi)Se4  
Clausthalite: PbSe  
Eucairite: CuAgSe

Comments: Reflected-light digital-image of the intermixed schlemaite grain in type sample F2, from which the reflectance, crystallographic and crystal-structure data were obtained. (CanMin, v 41, p 1435).
Location: "Tiber" dike, -855-m level, block 5128, main shaft # 371, Niederschlema-Alberoda vein-type uranium depost at Hartensein, Erzgebirge, Germany. Scale: See Picture.
© Canadian Mineralogist

Schlemaite: (Cu,[ ])6(Pb,Bi)Se4  
Clausthalite: PbSe  
Eucairite: CuAgSe

Comments: Reflected-light digital-image of the intermixed schlemaite grain in type sample F2, from which the reflectance, crystallographic and crystal-structure data were obtained. (CanMin, v 41, p 1435).
Location: "Tiber" dike, -855-m level, block 5128, main shaft # 371, Niederschlema-Alberoda vein-type uranium depost at Hartensein, Erzgebirge, Germany. Scale: See Picture.
© Canadian Mineralogist

Seidite-(Ce): Na4(Ce,Sr)2{Ti(OH)2(Si8O18)}(O,OH,F)4·5(H2O)

Comments: Scanning Electron image of seidite-(Ce) with the axial components of a and c superimposed on crystal.
Location: Yubileynaya pegmatite at Mount Karnasurt, Lovozero alkaline massif, Kola Peninsula, Russia. Scale: Image size 0.5 mm.
© Canadian Mineralogist

Seidite-(Ce): Na4(Ce,Sr)2{Ti(OH)2(Si8O18)}(O,OH,F)4·5(H2O)

Comments: Scanning Electron image of seidite-(Ce) with the axial components of a and c superimposed on crystal.
Location: Yubileynaya pegmatite at Mount Karnasurt, Lovozero alkaline massif, Kola Peninsula, Russia. Scale: Image size 0.5 mm.
© Canadian Mineralogist