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单词 schallerite
释义 schallerite Min.|ˈʃæləraɪt|
[f. the name of Waldemar T. Schaller (1882–1967), U.S. mineralogist + -ite1.]
A reddish-brown basic silicate, arsenate, and chloride of iron and manganese crystallizing in the rhombohedral system.
1925R. B. Gage et al. in Amer. Mineralogist X. 9 The name schallerite is proposed for the mineral after Dr. Waldemar T. Schaller, of the United States Geological Survey, Washington, D.C.Ibid., Schallerite occurs in seams or on cleavage faces in the massive zinc ore.1970Soviet Physics: Crystallogr. XV. 40/1 This has made it possible to carry out a systematic derivation of the possible polytype modifications of pyrosmalite and to determine the structures of schallerite and friedelite.
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