Gummite

A mixture of uraninite and secondary uranium minerals of variable composition.

Physical properties

ColorColor entities, recognized using a custom trained NER model
      • orange-red
      • red-brown
      • brown-black
      Color noteOriginal color note from the source
      Orange, yellow, orange-red, red-brown, brown-black, black
      StreakStreak entities, recognized using a custom trained NER model
        • brownish
        • olive-green
        Streak noteOriginal streak note from the source
        Yellow, brownish, olive-green
        Lustre
        Vitreous
        Waxy
        Greasy
        Dull
        Fracture
        Irregular/Uneven
        Conchoidal
        Transparency
        Translucent
        Tenacity
        brittle
        Hardness
        2.5—5
        Measured density
        3.9—6.4