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scheelite

scheelite Min.
  (ˈʃiːlaɪt)
  [f. the name of K. W. Scheele, the discoverer of tungstic acid + -ite.]
  Tungstate of calcium, found in brilliant crystals of various colours.

1837 Dana Min. 208. 1878 H. P. Gurney Crystallogr. 79.


Oxford English Dictionary

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