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Williams, S. A. (1975) Xocomecatlite, Cu3TeO4(OH)4, and tlalocite, Cu10Zn6(TeO3)(TeO4)2Cl(OH)25·27H2O, two new minerals from Moctezuma, Sonora, Mexico. Mineralogical Magazine, 40 (311) 221-226 doi:10.1180/minmag.1975.040.311.01

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Reference TypeJournal (article/letter/editorial)
TitleXocomecatlite, Cu3TeO4(OH)4, and tlalocite, Cu10Zn6(TeO3)(TeO4)2Cl(OH)25·27H2O, two new minerals from Moctezuma, Sonora, Mexico
JournalMineralogical Magazine
AuthorsWilliams, S. A.Author
Year1975 (September)Volume40
Page(s)221-226Issue311
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_40/40-311-221.pdf+
DOIdoi:10.1180/minmag.1975.040.311.01Search in ResearchGate
Classification
Not set
LoC
Not set
Mindat Ref. ID6867Long-form Identifiermindat:1:5:6867:7
GUIDb7bd89b2-c944-479f-bb32-acf37aa20b7c
Full ReferenceWilliams, S. A. (1975) Xocomecatlite, Cu3TeO4(OH)4, and tlalocite, Cu10Zn6(TeO3)(TeO4)2Cl(OH)25·27H2O, two new minerals from Moctezuma, Sonora, Mexico. Mineralogical Magazine, 40 (311) 221-226 doi:10.1180/minmag.1975.040.311.01
Plain TextWilliams, S. A. (1975) Xocomecatlite, Cu3TeO4(OH)4, and tlalocite, Cu10Zn6(TeO3)(TeO4)2Cl(OH)25·27H2O, two new minerals from Moctezuma, Sonora, Mexico. Mineralogical Magazine, 40 (311) 221-226 doi:10.1180/minmag.1975.040.311.01
In(1975, September) Mineralogical Magazine Vol. 40 (311) Mineralogical Society
Abstract/NotesXocomecatlite and tlalocite were found at the Bambollita mine near Moctezuma, Sonora. Xocomecatlite is probably orthorhombic, and an indexed cell based on the powder data gave a 12.140 A, b 14.318, c 11.662. Based on this cell, the empirical contents are Cu36.6 Zn1.7 (TeO4)12.5 (OH)51.6 or Cu3TeO4(OH)4. Tellurate was found both microchemically and by spectrophotometry. Colour rich green (R.H.S. 132A) with pale streak, H = 4. Optically negative with α = 1.775, β = 1.900, γ = 1.920. G = 4.65.Tlalocite is optically orthorhombic but the cell could not be indexed; only powder data are presented. Chemical analysis showed both tellurite and tellurate and led to the formulaColour pale blue (R.H.S. 121A) with a whitish streak; H = 1, gummy and sectile. G = 4.55.Plotting stability fields for various Te species at 25°C in terms of Eh and pH showed that TeO42−.aq can exist in nature over a wide pH range, but only under extreme conditions of oxidation.

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Locality Pages

LocalityCitation Details
Bambollita Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico

Mineral Pages

MineralCitation Details
Tlalocite
Xocomecatlite

Mineral Occurrences

LocalityMineral(s)
Bambollita Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico Tlalocite, Xocomecatlite


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