Paul M. Schumacher's Image Gallery

Grimselite: K3Na(UO2)(CO3)3·(H2O)

Comments: Bright yellow coatings and minor, small crystals of grimselite on a white quartz matrix..
Location: Gerstenegg - Sommerloch Tunnel, Grimsel, Hasli Tal, Bern, Schweiz (Switzerland).. Scale: See Image.
© Paul M. Schumacher

Haiweeite: Ca[(UO2)2Si5O12(OH)2]·3(H2O)

Comments: Yellow, spherical, aggregates of acicular haiweeite with clear calcite scalenohedrons.
Location: Teofilo Otoni, Minas Gerais, Brazil.. Scale: Picture size 1 cm.
© Paul M. Schumacher

Haynesite: (UO2)3(SeO3)2(OH)2·5(H2O)

Comments: Bright yellow sunburst clusters of haynesite on a fracture surface..
Location: Repete Mine, San Juan Co., Utah, USA. Scale: Picture size 0.5 cm.
© Paul M. Schumacher

Johannite: Cu(UO2)2(SO4)2(OH)2·8(H2O)  
Uranopilite: [(UO2)6(SO4)O2(OH)6(H2O)6]·8(H2O)

Comments: Bright yellow rosettes of uranopilite with pale greenish yellow johannite on matrix.
Location: Apex Mine, Lander Co., Nevada, USA. Scale: Picture size 0.5 cm.
© Paul M. Schumacher

Johannite: Cu(UO2)2(SO4)2(OH)2·8(H2O)  
Uranopilite: [(UO2)6(SO4)O2(OH)6(H2O)6]·8(H2O)

Comments: Green aggregates of minute, acicular johannite and yellow uranopilite and clear, tabular aragonite crystals on matrix.
Location: Apex Mine, Lander Co., Nevada, USA. Scale: Picture size 1.5 cm.
© Paul M. Schumacher

Kasolite: Pb(UO2)SiO4·(H2O)

Comments: Bright yellow kasolite crystal "flowers" on matrix.
Location: Kambove, (Kakanda) Mine, Katanga District, Shaba (Katanga), Republic of the Congo, (Zaïre). Scale: Picture size 5 mm.
© Paul M. Schumacher

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

Kobeite-(Y): (Y,U)(Ti,Nb)2(O,OH)6 (?)

Comments: Subparallel aggregate of black, tabular, euhedral kobeite-(Y) crystals in matrix.
Location: Ohro, Kobe, Kyoto, Japan. Scale: Picture size 5 mm.
© Paul M. Schumacher

Larisaite: Na(H3O)(UO2)3(SeO3)2O2·4(H2O)

Comments: Yellow, acicular, radial sprays of greenish yellow larisaite on matrix.
Location: Repete Mine, San Juan County, Utah, USA. Scale: Picture size 1.5 mm.
© Paul M. Schumacher

Lechatelierite: SiO2  
Trinitite:

Comments: Fused silica sand (trinitite) generated by the first nuclear (fission) bomb. Although man-made and not a valid mineral, the specimen has historic value.
Location: Trinity Flats, White Sands, New Mexico. It came into existance at 5:29 a.m., July 16, 1945. Scale: Specimen size 4.1 cm.
© Paul M. Schumacher

Marthozite: Cu[(UO2)3(SeO3)2O2]·8(H2O)

Comments: Olive green crystal of marthozite showing multiple face development on main crystal. Schumacher Collection.
Location: Musonoi Mine, Kolwezi, Western area, Shaba Cu belt, Shaba (Katanga), Congo (Zaïre). Scale: Picture size 5 mm.
© Paul M. Schumacher

Masuyite: Pb[(UO2)3O3(OH)2]·3(H2O)

Comments: Dark reddish brown aggregate of masuyite with green metatorbernite on matrix.
Location: Musonoi mine, Kolwezi, Shaba, (Katanga), Congo (Zaïre). Scale: Picture size 2 mm.
© Paul M. Schumacher

Melanocerite-(Ce): (Ce,Th,Ca)5(Si,B)3O12(OH,F)·n(H2O) (?)

Comments: Black, vitreous, crystalline aggregates of melanocerite-(Ce) in matrix.
Location: Cardiff Uranium mine, Wilberforce, Monmouth Township, Haliburton Co., Ontario, Canada. Scale: See Image.
© Paul M. Schumacher

Meta-autunite: Ca(UO2)2(PO4)2·2-6(H2O)  
Autunite: Ca(UO2)2(PO4)2·10-12(H2O)

Comments: Corner of a meta-autunite crystal showing the dehydration of autunite (dark green) to meta-autunite (lighter yellowish green)..
Location: Daybreak Mine, Spokane County, Washington, U.S.A.. Scale: See Image.
© Paul M. Schumacher

Metaheinrichite: Ba(UO2)2(AsO4)2·8(H2O)

Comments: Very pale greenish crystals of metaheinrichite on matrix.
Location: Schmiedestollenhalde mine, Wittichen, Schenkenzell, Schwartzwald (Black Forest), Baden-Württemberg, Germany. Scale: Picture size 0.5 cm.
© Paul M. Schumacher

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

Metatorbernite: Cu(UO2)2(PO4)2·8(H2O)  
Metatyuyamunite: Ca(UO2)2V2O8·3(H2O)

Comments: Yellow, platy metatyuyamunite and transparent, tabular green metatorbernite crystals with a minor amount of white, snowy-looking saleeite.
Location: Mashamba West Mine, Kolwezi, Shaba (Katanga), Congo (Zaïre). Scale: Picture size 0.5 cm.
© Paul M. Schumacher

Metatyuyamunite: Ca(UO2)2V2O8·3(H2O)  
Metatorbernite: Cu(UO2)2(PO4)2·8(H2O)

Comments: Yellow, platy metatyuyamunite and transparent, tabular green metatorbernite crystals with a minor amount of white, snowy-looking saleeite.
Location: Mashamba West Mine, Kolwezi, Shaba (Katanga), Congo (Zaïre). Scale: Picture size 0.5 cm.
© Paul M. Schumacher

Metauranocircite: Ba(UO2)2(PO4)2·6-8(H2O)  
Uranocircite: Ba(UO2)2(PO4)2·12(H2O)

Comments: Crystal fragment of uranocircite fracturing due to dehydration to meta-uranocircite. The most common are 100 and 010 fractures, with 110 close behind. But notice the 210 and 410 fractures (breaks) as well.
Location: . Scale: Crystal size 2x3.5 cm.
© Paul M. Schumacher

Metauranopilite: (UO2)6(SO4)(OH)10·5(H2O)

Comments: Orange-brown aggregates of metauranopilite with yellow green johannite on matrix. Unless sealed in glass, all uranopilite specimens should be considered to have become metauranopilite within a few months of being exposed to ambient air.
Location: Apex Mine, Lander Co., Nevada, USA. Scale: See Image.
© Paul M. Schumacher