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staurotide

staurotide Min.
  (ˈstɔːrəʊtaɪd)
  [a. F. staurotide (Haüy 1801), app. f. Gr. σταυρωτός cruciform, f. σταυρός cross.]
  = staurolite 2.

1802 T. Thomson Syst. Chem. III. 459 Granatite. Staurotide of Hauy. 1804 R. Jameson Min. I. 76 Grenatite... Staurotide. 1837 Dana Min. 356 Staurotide is very abundant throughout the mica slate of New England. 1881 Church Times 669/2 Staurotides, cruciform crystals of basalt probably supposed to bring good to the possessor.

Oxford English Dictionary

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