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oxhaverite

oxˈhaverite Min. Obs.
  Also (more correctly) oxahverite.
  [Named 1827 from Oxa- or Uxa-hver in Reykjadal, Iceland.]
  A pale green variety of Apophyllite, found in small green crystals on silicified wood.

1827 Brewster in Edin. Phil. Jrnl. VII. 115 Oxhaverite. 1829 Nat. Philos. I. Polaris. Light ix. 36 (U.K.S.) Some years afterwards he discovered the remarkable mineral of oxhaverite. 1837 Dana Min. 276 Oxahverite. 1868 Ibid. 416 Oxhaverite. 1896 Chester Dict. Names Min., Oxhaverite..an obs. syn. of apophyllite.

Oxford English Dictionary

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