Woodruffite. Crystal Data: Tetragonal. Point Group: 4/m 2/m 2/m, 42m, 4mm, 422, 4/m, 4, ... (2) Naganna, C. and V. Bouska (1963) X-ray study of woodruffite ...
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Click Here for Larger Woodruffite Image in a New Browser Window Images: ... Comments: Dull brown massive woodruffite with limonite. ...
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Comprehensive reference on the minerals of Franklin and Sterling Hill, New Jersey. ... Woodruffite was first described from Sterling Hill by Frondel (1953) and was included in the study of Potter and Rossman (1979). It has not been reported from Franklin.
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This article has been cited by other articles: ... The mineral woodruffite, Zn2+ (Mn4+1–x Mn3+x)O2 · yH2O, x ~ 0.4 and y ~ 0.7, is the first known example of a new type of Mn oxide characterized by large tunnels that measure 3 and 4 octahedra (6.9 x 9.2 Å) on a side.
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The thermal stability of woodruffite is comparable to that of todorokite and other large-tunnel ... The woodruffite structure may serve as a model for a new ...
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Mineral Data: Click here to view Woodruffite data. Locality Data: Click here to view Donimalai Mine, Sandur, Bellary-Hospet iron belt, Karnataka, India ...
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ANY RECOMMENDED CHANGES TO THIS FILE SHOULD BE DIRECTED TO CHET LEMANSKI VIA THE MESSAGE BOARD. The Passaic pit is an old open cut workings dating to the late 19th century (circa 1870), operated by the Passaic Zinc Co. ... Woodruffite (TL)
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Manganese Oxide Lecture, Part 3, Structures Back to part 2 ... ; Building blocks of manganese oxide structures: the MnO6 octahedron ... ; The 4x3 structure defines the mineral woodruffite.
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Fault in a metallic vein as seen at Sterling Mine, ... New-Jersey. American Association for the ... woodruffite. American Mineralogist, 38, 761-769. *
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woodruffite occurs at sterling llill, New Jersey, as botryoidal masses associated with ..... The pattern of woodruffite is quite unlike that of chalco- ...
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