Paul M. Schumacher's Image Gallery

Andersonite: Na2Ca(UO2)(CO3)3·6(H2O)

Comments: Veins of bright yellowish green, andersonite in sandstone. The fluorescence of this mineral is noticeable under ambient office lighting plus a UV lamp.
Location: Atomic King Mine, Cane Creek Canyon, Grand County, Utah, USA. Scale: Specimen size 6 cm.
© Paul M. Schumacher

Andersonite: Na2Ca(UO2)(CO3)3·6(H2O)

Comments: Veins of bright yellowish green, andersonite in sandstone. The fluorescence of this mineral is noticeable under ambient office lighting plus a UV lamp.
Location: Atomic King Mine, Cane Creek Canyon, Grand County, Utah, USA. Scale: Specimen size 6 cm.
© Paul M. Schumacher

Astrocyanite-(Ce): Cu2(Ce,Nd,La)2(UO2)(CO3)5(OH)2·1.5(H2O)

Comments: Blue-green bladed astrocyanite-(Ce) crystals on black uraninite ore. Schumacher Collection.
Location: Kamoto East Open cut, Kamoto, Kolwezi, Western area, Shaba Cu belt, Shaba (Katanga), Congo (Zaïre). Scale: Picture size 2 cm.
© Paul M. Schumacher

Astrocyanite-(Ce): Cu2(Ce,Nd,La)2(UO2)(CO3)5(OH)2·1.5(H2O)

Comments: Blue-green bladed astrocyanite-(Ce) crystals on black uraninite ore. Schumacher Collection.
Location: Kamoto East Open cut, Kamoto, Kolwezi, Western area, Shaba Cu belt, Shaba (Katanga), Congo (Zaïre). Scale: Picture size 2 cm.
© Paul M. Schumacher

Bayleyite: Mg2(UO2)(CO3)3·18(H2O)

Comments: Stellate aggregates of pale greenish white, acicular bayleyite crystals on a gossanous matrix with white, snowy aragonite.
Location: Hideout #1 mine, White Canyon district, San Juan County, Utah, USA. Scale: Picture size 3.5 mm.
© Paul M. Schumacher

Bayleyite: Mg2(UO2)(CO3)3·18(H2O)

Comments: Stellate aggregates of pale greenish white, acicular bayleyite crystals on a gossanous matrix with white, snowy aragonite.
Location: Hideout #1 mine, White Canyon district, San Juan County, Utah, USA. Scale: Picture size 3.5 mm.
© Paul M. Schumacher

Bayleyite: Mg2(UO2)(CO3)3·18(H2O)

Comments: Stellate aggregates of acicular bayleyite crystals under short wave UV light showing pale green fluorescence.
Location: Hideout #1 mine, White Canyon district, San Juan County, Utah, USA. Scale: Picture size 3.5 mm.
© Paul M. Schumacher

Bayleyite: Mg2(UO2)(CO3)3·18(H2O)

Comments: Stellate aggregates of acicular bayleyite crystals under short wave UV light showing pale green fluorescence.
Location: Hideout #1 mine, White Canyon district, San Juan County, Utah, USA. Scale: Picture size 3.5 mm.
© Paul M. Schumacher

Bergenite: Ca2Ba4[(UO3)2O2(PO4)2]3 (H2O)16

Comments: Bladed, radial aggregates of yellow bergenite crystals on matrix.
Location: Bergen, Falkenstein, Vogtland, Saxony, Germany. Scale: Picture size 2.5 mm.
© Paul M. Schumacher

Bergenite: Ca2Ba4[(UO3)2O2(PO4)2]3 (H2O)16

Comments: Bladed, radial aggregates of yellow bergenite crystals on matrix.
Location: Bergen, Falkenstein, Vogtland, Saxony, Germany. Scale: Picture size 2.5 mm.
© Paul M. Schumacher

Betafite: (Ca,U)2(Ti,Nb,Ta)2O6(OH)

Comments: Brown hexoctahedral crystal of betafite on greenish apatite crystals.
Location: Silver Crater Mine, Bancroft, Ontario, Canada. Scale: 2-1/4 cm across.
© Paul M. Schumacher

Betafite: (Ca,U)2(Ti,Nb,Ta)2O6(OH)

Comments: Brown hexoctahedral crystal of betafite on greenish apatite crystals.
Location: Silver Crater Mine, Bancroft, Ontario, Canada. Scale: 2-1/4 cm across.
© Paul M. Schumacher

Blatonite: UO2CO3·(H2O)

Comments: Acicular, yellow blatonite crystals with white aragonite on matrix.
Location: Jomac Mine, White Canyon,White Canyon District (White Canyon), San Juan Co., Utah, USA. Scale: Picture size 6 mm.
© Paul M. Schumacher

Blatonite: UO2CO3·(H2O)

Comments: Acicular, yellow blatonite crystals with white aragonite on matrix.
Location: Jomac Mine, White Canyon,White Canyon District (White Canyon), San Juan Co., Utah, USA. Scale: Picture size 6 mm.
© Paul M. Schumacher

Boltwoodite: HK(UO2)(SiO4)·1.5(H2O)

Comments: Bright yellow, prismatic crystals of boltwoodite.
Location: Rössing mine, Swakopmund District, Namibia. Scale: Picture size 2.5 mm.
© Paul M. Schumacher

Boltwoodite: HK(UO2)(SiO4)·1.5(H2O)

Comments: Bright yellow, prismatic crystals of boltwoodite.
Location: Rössing mine, Swakopmund District, Namibia. Scale: Picture size 2.5 mm.
© Paul M. Schumacher

Britholite-(Ce): (Ce,Ca,Th,La,Nd)5(SiO4,PO4)3(OH,F)

Comments: Dark gray, parallel aggregates of britholite-(Ce) crystals in matix..
Location: Rusty Gold Mine, Jamestown District, Boulder Co., Colorado, USA. Scale: See Image.
© Paul M. Schumacher

Britholite-(Ce): (Ce,Ca,Th,La,Nd)5(SiO4,PO4)3(OH,F)

Comments: Dark gray, parallel aggregates of britholite-(Ce) crystals in matix..
Location: Rusty Gold Mine, Jamestown District, Boulder Co., Colorado, USA. Scale: See Image.
© Paul M. Schumacher

Cheralite-(Ce): (Ce,Ca,Th)(P,Si)O4

Comments: Brown to tan, massive cheralite-(Ce) showing cleavage traces.
Location: Uranium King Mine, Trent Creek, Encampment Copper District, Sierra Madre Mts., Carbon Co., Wyoming, USA. Scale: Picture size 1.4 cm.
© Paul M. Schumacher

Cheralite-(Ce): (Ce,Ca,Th)(P,Si)O4

Comments: Brown to tan, massive cheralite-(Ce) showing cleavage traces.
Location: Uranium King Mine, Trent Creek, Encampment Copper District, Sierra Madre Mts., Carbon Co., Wyoming, USA. Scale: Picture size 1.4 cm.
© Paul M. Schumacher