| 释义 |
woodruffite Min.|ˈwʊdrʌfaɪt|
[See quot. 1953 and -ite1.]
A hydrated oxide of zinc and manganese, (Zn,Mn4+3)Mn4+O7.1–2H2O , found as black or grey monoclinic crystals.
1953C. Frondel in Amer. Mineralogist XXXVIII. 769 The name woodruffite is proposed for this species after Samuel Woodruff (deceased), for many years employed as a miner by the New Jersey Zinc Company. 1979Ibid. LXIV. 1214/1 The spectrum of woodruffite shows it to be a structural analog of todorokite, as has been assumed from the similarity of their X-ray powder patterns. |