Gummite definitions

gŭm'īt
An orange-red to grayish yellow mixture of several uranium oxides, silicates, and salts occurring naturally in the oxidation and hydration of uraninite.
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A soft, yellowish or reddish-brown mixture of minerals containing uranium, lead, and thorium.
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(mineralogy) A yellow, amorphous mineral, a mixture of oxides and silicates of uranium, formed by weathering of pitchblende.
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Origin of gummite

German Gummit from Gummi gum from Middle High German from Medieval Latin from Latin gum1