Species: Uraninite
Locality: Aubrey - Ladwig Mine, Ralston Buttes Mining District, Jefferson County, Colorado, USA
Size: 5.3 x 3.4 x 2.5 cm
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Species: Gummite, Uraninite, Uranophane
Locality: Chalk Mountain Mine, Spruce Pine, Mitchell County, North Carolina, USA
Size: 10.0 x 7.7 x 4.5 cm
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Species: Safflorite, Skutterudite, Uraninite
Locality: Freiberg Mining District, Mittelsachsen, Saxony, Germany
Size: 8.1 x 6.0 x 4.3 cm, 534 grams
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Species: Fluorapatite, Fluorite, Titanite, Uraninite
Locality: Uluguru Mountains, Morogoro Region, Tanzania
Size: 4.9 x 4.5 x 3.5 cm
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