Jeffersonite
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Jef´fer`son`ite
n. | 1. | (Min.) A variety of pyroxene of olive-green color passing into brown. It contains zinc. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
n. | 1. | (Min.) A variety of pyroxene of olive-green color passing into brown. It contains zinc. |