Important Update News
The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
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Name: Posnjakite RRUFF ID: R110172 Ideal Chemistry: Cu4(SO4)(OH)6·H2O Locality: Yellow Rose of Texas mine, Animas District, San Juan County, Colorado, USA Source: George Stevens [view label] Owner: RRUFF Description: Blocky light blue crystals associated with dark blue linarite Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R110172.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 10.576(1)Å b: 6.3354(7)Å c: 7.861(1)Å alpha: 90° beta: 117.983(6)° gamma: 90° Volume: 465.1(1)Å3 Crystal System: monoclinic |
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REFERENCES for Posnjakite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file] |
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Fleischer M (1967) New mineral names, American Mineralogist, 52, 1579-1589 [view file] |
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Komkov A I, Nefedov E I (1967) Posnjakite, a new mineral, Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 96, issue 1 58-62 [view file] |
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Mellini M, Merlino S (1979) Posnjakite: 2∞[Cu4(OH)6(H2O)O] octahedral sheets in its structure, Zeitschrift für Kristallographie, 149, 249-257 [view file] |
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Iakhontova L K (1981) New data on posnjakite, serpeirite and woodwardite, Doklady Akademii Nauk SSSR, 256, 1221-1225 [view file] |
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Dunn P J, Fleischer M, Chao G Y, Cabri L J, Mandarino J A (1983) New mineral names, American Mineralogist, 68, 1248-1252 [view file] |
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Frost R L (2003) Raman spectroscopy of selected copper minerals of significance in corrosion, Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, 59, 1195-1204 |
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Martens W, Frost R L, Kloprogge J T, Williams P A (2003) Raman spectroscopic study of the basic copper sulphates - implications for copper corrosion and bronze disease, Journal of Raman Spectroscopy, 34, 145-151 |
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Frost R L, Williams P A, Martens W, Leverett P, Kloprogge J T (2004) Raman spectroscopy of basic copper (II) and some complex copper (II) sulfate minerals: Implications for hydrogen bonding, American Mineralogist, 89, 1130-1137 [view file] |
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Markl G, Keim M F, Bayerl R (2019) Unusual mineral diversity in hydrothermal vein-type deposit: The Clara mine, SW Germany, as a type example, The Canadian Mineralogist, 57, 427-456 |
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