Mineralogical Magazine's Image Gallery

Ranunculite: HAl(UO2)(PO4)(OH)3·4(H2O)

Comments: SEM image of nodular ranunculite showing the aggregates of lamellar crystals. (MinMag v43:327).
Location: Uranium-rich portions of a pegmatite mainly worked for beryl and columbite at Kobokobo, Kivu, Zaire. Scale: Picture Size 300 x.
© Mineralogical Magazine

Ranunculite: HAl(UO2)(PO4)(OH)3·4(H2O)

Comments: SEM image of nodular ranunculite showing the aggregates of lamellar crystals. (MinMag v43:327).
Location: Uranium-rich portions of a pegmatite mainly worked for beryl and columbite at Kobokobo, Kivu, Zaire. Scale: Picture Size 300 x.
© Mineralogical Magazine

Sieleckiite: Cu3Al4(PO4)2(OH)12·2(H2O)

Comments: SEM image showing a hemisphere of sieleckiite on variscite crystals. (MinMag, 52:515).
Location: Mt Oxide Copper Mine, 150 km north of Mt Isa, Queensland, Australia. Scale: Sphere Diameter 0.4 mm.
© Mineralogical Magazine

Sieleckiite: Cu3Al4(PO4)2(OH)12·2(H2O)

Comments: SEM image showing a hemisphere of sieleckiite on variscite crystals. (MinMag, 52:515).
Location: Mt Oxide Copper Mine, 150 km north of Mt Isa, Queensland, Australia. Scale: Sphere Diameter 0.4 mm.
© Mineralogical Magazine

Silvialite: (Ca,Na)4Al6Si6O24(SO4,CO3)

Comments: BSE image of silvialite (Sil), plagioclase (An70)-calcite symplectite (P-C) corona, and plagioclase (An45, P). MinMag, v63:321.
Location: Upper-mantle garnet-granulite xenoliths hosted by olivine nephelinite, from McBride Province, North Queensland, Australia. Scale: Scale Bar 100 µm.
© Mineralogical Magazine

Silvialite: (Ca,Na)4Al6Si6O24(SO4,CO3)

Comments: BSE image of silvialite (Sil), plagioclase (An70)-calcite symplectite (P-C) corona, and plagioclase (An45, P). MinMag, v63:321.
Location: Upper-mantle garnet-granulite xenoliths hosted by olivine nephelinite, from McBride Province, North Queensland, Australia. Scale: Scale Bar 100 µm.
© Mineralogical Magazine

Skaergaardite: CuPd

Comments: (e) A euhedral crystal of skaergaardite exhibiting the form cube {100} (possibly distorted) included in a bornite-chalcocite i(BN+CC) grain. (f) bornite (BN)+ chalcopyrite (CP) microglobule with a skaergaardite cube with rounded edges. (MinMag 68:615).
Location: Drill core taken from the Skaergaard intrusion, Kangerdlugssuaq area, East Greenland. Scale: See Image.
© Mineralogical Magazine

Skaergaardite: CuPd

Comments: (e) A euhedral crystal of skaergaardite exhibiting the form cube {100} (possibly distorted) included in a bornite-chalcocite i(BN+CC) grain. (f) bornite (BN)+ chalcopyrite (CP) microglobule with a skaergaardite cube with rounded edges. (MinMag 68:615).
Location: Drill core taken from the Skaergaard intrusion, Kangerdlugssuaq area, East Greenland. Scale: See Image.
© Mineralogical Magazine

Tooeleite: Fe+++6(AsO3)4(SO4)(OH)4·4H2O

Comments: SEM photograph of typical tooeleite crystal terminations. MinMag v56:71.
Location: U.S. Mine, Tooele Country, Utah. USA. Scale: Scale Bar 50 µm.
© Mineralogical Magazine

Tooeleite: Fe+++6(AsO3)4(SO4)(OH)4·4H2O

Comments: SEM photograph of typical tooeleite crystal terminations. MinMag v56:71.
Location: U.S. Mine, Tooele Country, Utah. USA. Scale: Scale Bar 50 µm.
© Mineralogical Magazine

Tristramite: (Ca,U++++,Fe+++)(PO4,SO4)·2(H2O)

Comments: Reflected light, crossed polars showing a cavity with tristramite (white) infill and surrounded by intergrowth of marcasite (dark) and pitchblende (dark). (MinMag, v47:344).
Location: Wheal Trewavas Head dumps, Cornwall, UK. Scale: Scale bar = 0.1 mm.
© Mineralogical Magazine

Tristramite: (Ca,U++++,Fe+++)(PO4,SO4)·2(H2O)

Comments: Reflected light, crossed polars showing a cavity with tristramite (white) infill and surrounded by intergrowth of marcasite (dark) and pitchblende (dark). (MinMag, v47:344).
Location: Wheal Trewavas Head dumps, Cornwall, UK. Scale: Scale bar = 0.1 mm.
© Mineralogical Magazine

Watanabeite: Cu4(As,Sb)2S5

Comments: Polished section image of grain aggregate of watanabeite (Wat) to demonstrate the outline of grains and anisotropy; A in plane polarised light (PPL), B with crossed polars (XPL). (MinMag, v57:389).
Location: Occurs with quartz in a hydrothermal vein at the Teine mine, Sapporo, Hokkaido, Japan. Scale: Scale Bar 0.5 mm.
© Mineralogical Magazine

Watanabeite: Cu4(As,Sb)2S5

Comments: Polished section image of grain aggregate of watanabeite (Wat) to demonstrate the outline of grains and anisotropy; A in plane polarised light (PPL), B with crossed polars (XPL). (MinMag, v57:389).
Location: Occurs with quartz in a hydrothermal vein at the Teine mine, Sapporo, Hokkaido, Japan. Scale: Scale Bar 0.5 mm.
© Mineralogical Magazine

Wooldridgeite: Na2CaCu++2(P2O7)2·10(H2O)

Comments: SEM image of crystalline aggregates of wooldridgeite showing rhombic dipyramidal forms, (MinMag, v63:13).
Location: Judkins Quarry, Nuneaton, Warwickshire, England. Scale: Scale Bar 100 µm.
© Mineralogical Magazine

Wooldridgeite: Na2CaCu++2(P2O7)2·10(H2O)

Comments: SEM image of crystalline aggregates of wooldridgeite showing rhombic dipyramidal forms, (MinMag, v63:13).
Location: Judkins Quarry, Nuneaton, Warwickshire, England. Scale: Scale Bar 100 µm.
© Mineralogical Magazine