noun Date: 1868 a yellow to reddish-brown mixture of hydrous oxides of uranium, thorium, and lead

New Collegiate Dictionary. 2001.

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  • Gummite — from collection of Prague National Museum Gummite is a yellow amorphous mixture of uranium minerals, oxides, silicates and hydrates of uranium, derived from the alteration of uraninite. It is named for its gum like consistence. The material was… …   Wikipedia

  • 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] …   The Collaborative International Dictionary of English

  • gummite — ● gummite nom féminin (latin gumma, gomme) Produit d altération de l uranite (pechblende), exploité comme minerai d uranium …   Encyclopédie Universelle

  • gummite — [gum′īt΄] n. [so named (1868) by J. D. DANA1 < L gummi, GUM1 + ITE1] a soft, yellowish or reddish brown mixture of minerals containing uranium, lead, and thorium …   English World dictionary

  • gummite — /gum uyt/, n. Mineral. a yellow to red alteration product of pitchblende and a minor ore of uranium, having a greasy luster and occurring in gumlike masses. [1865 70; orig. G Gummit. See GUM1, ITE1] * * * ▪ mineral       mixture of natural… …   Universalium

  • gummite — noun A yellow, amorphous mineral, a mixture of oxides and silicates of uranium, formed by weathering of pitchblende …   Wiktionary

  • gummite — gum·mite …   English syllables

  • gummite — /ˈgʌmaɪt/ (say gumuyt) noun a yellow to red alteration product of pitchblende, having a greasy lustre, and occurring in gum like masses; a minor ore of uranium …   Australian English dictionary

  • gummite — noun a gummy orange mixture of uranium oxides and silicates occurring naturally in the hydration and oxidation of pitchblende • Hypernyms: ↑mixture …   Useful english dictionary

  • List of minerals — This is a List of minerals for which there are Wikipedia articles. Mineral variety names and mineraloids are to be listed after the valid minerals for each letter.For a complete listing (about 4,000) of all mineral names: List of minerals… …   Wikipedia

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