Paul M. Schumacher's Image Gallery

Metavanuralite: Al(UO2)2(VO4)2(OH)·8(H2O)  
Vanuralite: Al(UO2)2(VO4)2(OH)·11(H2O)

Comments: Bright yellow crystals of metavanuralite. Unless sealed in glass, all specimens of vanuralite change to metavanuralite.
Location: Mounana mine (Mouana), Franceville, Haut-Ogooue, Gabon. Scale: See Image.
© Paul M. Schumacher

Mounanaite: PbFe+++2(VO4)2(OH)2  
Francevillite: (Ba,Pb)(UO2)2V2O8·5(H2O)

Comments: Stout, yellow, transparent, prismatic, striated crystals of francevillite on brownish red mounanaite matrix.
Location: Mounana mine, Franceville, Haut-Ogooué, Gabon. Scale: Picture size 1.5 cm.
© Paul M. Schumacher

Natrozippeite: Na4(UO2)6(SO4)3(OH)10·4(H2O)

Comments: Yellow encrustations of sodium-zippeite on matrix.
Location: Kovagoszolos, Mecsek Mts., Pecs Co., Hungary. Scale: Picture size 0.5 cm.
© Paul M. Schumacher

Novacekite: Mg(UO2)2(AsO4)2·12(H2O)

Comments: Scanner image of massive, yellow novacekite covering matrix.
Location: Serra das Éguas,Bahia, Northeast Region, Brazil. Scale: Specimen size 4.1 cm.
© Paul M. Schumacher

Oswaldpeetersite: (UO2)2CO3(OH)2·4(H2O)

Comments: Greenish-yellow, acicular, radial-spherical blebs of oswaldpeetersite on matrix.
Location: Jomac Mine, San Juan County, Utah, USA. Scale: Picture size 5 mm.
© Paul M. Schumacher

Perrierite-(Ce): (Ce,La,Ca)4(Fe++,Mg)2(Ti,Fe+++)3Si4O22

Comments: Black, granular perrierite in white calcite.
Location: Buer, Bjørkedalen, Porsgrunn, Telemark, Norway. Scale: Picture size 3 mm.
© Paul M. Schumacher

Phosphuranylite: KCa(H3O)3(UO2)7(PO4)4O4·8(H2O)  
Uranocircite: Ba(UO2)2(PO4)2·12(H2O)

Comments: Yellow, waxy phosphuranylite with green uranocircite in matrix.
Location: Bergen, Falkenstein, Vogtland, Saxony, Germany. Scale: Picture size 0.5 cm.
© Paul M. Schumacher

Phurcalite: Ca2(UO2)3O2(PO4)2·7(H2O)

Comments: Yellow phurcalite crystals on white aragonite.
Location: Posey Mine, White Canyon District, San Juan County, Utah, USA. Scale: Picture site 0.5 cm.
© Paul M. Schumacher

Platinum: Pt

Comments: Stream-worn, platinum nugget with chromite? Inclusions.
Location: Rio Tinto, San Juan River Basin, Papayan, Cauca, Columbia. Scale: Picture size 1.5 cm.
© Paul M. Schumacher

Plumbomicrolite: (Pb,Ca,U)2Ta2O6(OH)

Comments: Large octahedral crystal of brownish black plumbomicrolite on matrix.
Location: Berg Ploskaya, West Keivy Massif, Kola Peninsula, Russia. Scale: See Image.
© Paul M. Schumacher

Rauvite: Ca(UO2)2V+++++10O28·16(H2O)

Comments: Irregular grains of dark-colored rauvite in matrix.
Location: Monument No. 2 Mine, Monument Valley, Apache County, Arizona, USA. Scale: Picture size 2.5 mm.
© Paul M. Schumacher

Sabugalite: HAl(UO2)4(PO4)4·16(H2O)

Comments: Squarish, platy, pale yellowish green sabugalite crystals.
Location: Sabugal County, Beira Alta Province, Portugal. Scale: Picture size 3 mm.
© Paul M. Schumacher

Saleeite: Mg(UO2)2(PO4)2·10(H2O)

Comments: Square, tabular crystalline aggregates of greenish yellow saléeite on matrix.
Location: Ranger Uranium Mine, Jabiru, Northern Territory, Australia. Scale: Picture size 1cm.
© Paul M. Schumacher

Schoepite: (UO2)8O2(OH)12·12(H2O)  
Metatorbernite: Cu(UO2)2(PO4)2·8(H2O)

Comments: Green, tabular crystals of metatorbernite and acicular, yellow schoepite on matrix.
Location: Musonoi mine, Kolwezi, Shaba, (Katanga), Congo (Zaïre). Scale: Picture size 2.5 mm.
© Paul M. Schumacher

Schrockingerite: NaCa3(UO2)(CO3)3(SO4)F·10(H2O)

Comments: Pale greenish-yellow, platy schröckingerite on matrix.
Location: Jack Daniels No. 1 Mine, Cameron District, Coconino County, Arizona, USA. Scale: See Photo.
© Paul M. Schumacher

Sklodowskite: (H3O)2Mg(UO2)2(SiO4)2·4(H2O)  
Kasolite: Pb(UO2)SiO4·(H2O)

Comments: Greenish yellow, acicular sklodowskite crystals and yellow, bladed kasolite crystals.
Location: Kambove, (Kakanda) Mine, Katanga District, Shaba (Katanga), Republic of the Congo, (Zaïre). Scale: Picture size 1 cm.
© 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

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