Posnjakite R070316
Name: Posnjakite
RRUFF ID: R070316
Ideal Chemistry: Cu4SO4(OH)6·H2O
Locality: Drakewalls mine, Gunnislake, Callington District, Cornwall, England
Source: James Shigley [view label]
Owner: RRUFF
Description: Pale blue tabular crystals associated with green brochantite
Status: The identification of this mineral is not yet confirmed.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070316
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
REFERENCES for Posnjakite

American Mineralogist Crystal Structure Database Record: [view record]

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]

Fleischer M (1967) New mineral names, American Mineralogist, 52, 1579-1589   [view file]

Komkov A I, Nefedov E I (1967) Posnjakite, a new mineral, Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 96, issue 1 58-62   [view file]

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]

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]

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

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]