Paul M. Schumacher's Image Gallery

Soddyite: (UO2)2SiO4·2(H2O)

Comments: Blocky, tabular crystals of yellow soddyite.
Location: Swambo (Kambove), Shaba (Katanga), Congo (Zaïre). Scale: Picture size 2 mm.
© Paul M. Schumacher

Soddyite: (UO2)2SiO4·2(H2O)

Comments: Blocky, tabular crystals of yellow soddyite.
Location: Swambo (Kambove), Shaba (Katanga), Congo (Zaïre). Scale: Picture size 2 mm.
© Paul M. Schumacher

Steenstrupine-(Ce): Na14Ce6Mn++Mn+++Fe++2(Zr,Th)(Si6O18)2(PO4)7·3(H2O)

Comments: Dark gray, coarse grained, elongated crystals of steenstrupine-(Ce) in matrix.
Location: Kvanefield, Ilimanssaq, Greenland. Scale: Specimen Size 5.6 cm.
© Paul M. Schumacher

Steenstrupine-(Ce): Na14Ce6Mn++Mn+++Fe++2(Zr,Th)(Si6O18)2(PO4)7·3(H2O)

Comments: Dark gray, coarse grained, elongated crystals of steenstrupine-(Ce) in matrix.
Location: Kvanefield, Ilimanssaq, Greenland. Scale: Specimen Size 5.6 cm.
© Paul M. Schumacher

Thorite: ThSiO4

Comments: Several small, black cubic crystals of thorite.
Location: Balangoda, Ratnapura, Sabaragamuwa province, Sri Lanka. Scale: Picture size 0.8 cm.
© Paul M. Schumacher

Thorite: ThSiO4

Comments: Several small, black cubic crystals of thorite.
Location: Balangoda, Ratnapura, Sabaragamuwa province, Sri Lanka. Scale: Picture size 0.8 cm.
© Paul M. Schumacher

Thorogummite: Th(SiO4)1-x(OH)4x

Comments: Pale tan to yellowish thorogummite pseudomorphous after thorite in matrix.
Location: Fort Dauphin (Tôlanaro) area, Toliara (Tuléar) Province, Madagascar. Scale: Picture size 5 mm.
© Paul M. Schumacher

Thorogummite: Th(SiO4)1-x(OH)4x

Comments: Pale tan to yellowish thorogummite pseudomorphous after thorite in matrix.
Location: Fort Dauphin (Tôlanaro) area, Toliara (Tuléar) Province, Madagascar. Scale: Picture size 5 mm.
© Paul M. Schumacher

Threadgoldite: Al(UO2)2(PO4)2(OH)·8(H2O)

Comments: Beige threadgoldite filling cracks in, and coating, black uraninite. Schumacher Collection.
Location: Kobokobo Pegmatite, Lusungu River District, Kivu, Congo (Zaïre). Scale: Picture size 5 mm.
© Paul M. Schumacher

Threadgoldite: Al(UO2)2(PO4)2(OH)·8(H2O)

Comments: Beige threadgoldite filling cracks in, and coating, black uraninite. Schumacher Collection.
Location: Kobokobo Pegmatite, Lusungu River District, Kivu, Congo (Zaïre). Scale: Picture size 5 mm.
© Paul M. Schumacher

Ulrichite: CaCu(UO2)(PO4)2·4(H2O)

Comments: Green, acicular crystals of ulrichite on matrix. Co-type specimen (?) collected by the discoverer, Anthony Fraser.
Location: Lake Boga granite quarry, Lake Boga, Victoria, Australia. Scale: Picture size 2 mm.
© Paul M. Schumacher

Ulrichite: CaCu(UO2)(PO4)2·4(H2O)

Comments: Green, acicular crystals of ulrichite on matrix. Co-type specimen (?) collected by the discoverer, Anthony Fraser.
Location: Lake Boga granite quarry, Lake Boga, Victoria, Australia. Scale: Picture size 2 mm.
© Paul M. Schumacher

Uramphite: (NH4)(UO2)(PO4)·3(H2O)

Comments: Thin encrustions of urampite on a fracture surface in sub-bituminous coal.
Location: Tura-Kavak, Issyk-Kul'skaya Oblast', Kyrgyzstan. Scale: See Image.
© Paul M. Schumacher

Uramphite: (NH4)(UO2)(PO4)·3(H2O)

Comments: Thin encrustions of urampite on a fracture surface in sub-bituminous coal.
Location: Tura-Kavak, Issyk-Kul'skaya Oblast', Kyrgyzstan. Scale: See Image.
© Paul M. Schumacher

Uraninite: UO2

Comments: Polished slab of black "gummite" ore with the uraninite altering to various secondary uranium minerals in a brecciated matrix.
Location: Ruggles mine, Graton, New Hampshire, USA. Scale: Specimen size 11.4 cm.
© Paul M. Schumacher

Uraninite: UO2

Comments: Black uraninite impregnating coaly wood fragments. You can see the woody structure in detail preserved in the uraninite.
Location: Grants mineral district, Westwater Canyon Member of the Morrison Formation.. Scale: Picture size 5 mm.
© Paul M. Schumacher

Uraninite: UO2

Comments: Black uraninite impregnating coaly wood fragments. You can see the woody structure in detail preserved in the uraninite.
Location: Grants mineral district, Westwater Canyon Member of the Morrison Formation.. Scale: Picture size 5 mm.
© Paul M. Schumacher

Uraninite: UO2  
Uranophane: Ca(UO2)2SiO3(OH)2·5(H2O)

Comments: Sharp, cubic crystals of black uraninite on yellow uranophane.
Location: Teofilo Otoni, Minas Gerais, Brazil. Scale: Picture size 1.5 mm.
© Paul M. Schumacher

Uraninite: UO2  
Uranophane: Ca(UO2)2SiO3(OH)2·5(H2O)

Comments: Sharp, cubic crystals of black uraninite on yellow uranophane.
Location: Teofilo Otoni, Minas Gerais, Brazil. Scale: Picture size 1.5 mm.
© Paul M. Schumacher

Uraninite: UO2

Comments: Polished slab of black "gummite" ore with the uraninite altering to various secondary uranium minerals in a brecciated matrix.
Location: Ruggles mine, Graton, New Hampshire, USA. Scale: Specimen size 11.4 cm.
© Paul M. Schumacher