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 — noun Date: 1868 a yellow to reddish brown mixture of hydrous oxides of uranium, thorium, and lead … New Collegiate Dictionary
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 …
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