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uran-ocherURAN-O'CHER, n. Pechblend, an ore of uranium, containing the metal in an oxydized state. It is brown, grayish, black, and brownish black; occurring massive globular, reniform, disseminated, and pulverulent. |
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uran-ocherURAN-O'CHER, n. Pechblend, an ore of uranium, containing the metal in an oxydized state. It is brown, grayish, black, and brownish black; occurring massive globular, reniform, disseminated, and pulverulent. |