Found 2 items, similar to gummite.
English → English (WordNet) Definition: gummite gummite n : a gummy orange mixture of uranium oxides and silicates occurring naturally in the hydration and oxidation of pitchblende
English → English (gcide) Definition: Gummite Gummite \Gum"mite\, n. [So called because it occurs in rounded or flattened pieces which look like gum.] (Min.) A yellow amorphous mineral, essentially a hydrated oxide of uranium derived from the alteration of uraninite. [1913 Webster]