Paratacamite R160009
Name: Paratacamite
RRUFF ID: R160009
Ideal Chemistry: Cu3(Cu,Zn)Cl2(OH)6
Locality: Torrecillas mine, Salar Grande, Iquique Provence, Chile
Source: Robert Jenkins [view label]
Owner: RRUFF
Description: Dark green rhombohedral, as well as apple green druse
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Atacamite (16) ]
CHEMISTRY 
RRUFF ID: R160009.2
Sample Description: Microprobe Fragment
Measured Chemistry: Cu3(Cu0.68Co0.19Ni0.04Mg0.02)Cl1.98(OH)6
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
DOWNLOADS:

  To download sample data,
  please select a specific
  orientation angle.
Direction of polarization of laser relative to fiducial mark:
X Min:    X Max:    X Sort:
BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R160009
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: none 532nm @ 100% of mW
DOWNLOADS:

Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R160009.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 6.8700(31)Å    b: 6.8700(31)Å    c: 14.1388(98)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 577.90(17)Å3    Crystal System: hexagonal
DOWNLOADS:
X Min:    X Max:    X Sort:
REFERENCES for Paratacamite

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]

Smith G F, Prior G T (1906) Paratacamite, a new oxychloride of copper, Mineralogical Magazine, 14, 170-177   [view file]

Frondel C (1950) On paratacamite and some related copper chlorides, Mineralogical Magazine, 29, 34-45   [view file]

Fleischer M (1951) New mineral names, American Mineralogist, 36, 381-384   [view file]

Sharkey J B, Lewin S Z (1971) Conditions governing the formation of atacamite and paratacamite, American Mineralogist, 56, 179-192   [view file]

Fleet M E (1975) The crystal structure of paratacamite, Cu2(OH)3Cl, Acta Crystallographica, B31, 183-187

Pring A, Snow M R, Tiekink E R T (1987) Paratacamite from South Australia, Transactions of the Royal Society of South Australia, 3, 127-128

Pollard A M, Thomas R G, Williams P A (1989) Synthesis and stabilities of the basic copper (II) chlorides atacamite, paratacamite and botallackite, Mineralogical Magazine, 53, 557-563   [view file]

Scott D A (2000) A review of copper chlorides and related salts in bronze corrosion and as painting pigments, Studies in Conservation, 45, 39-53

Frost R L, Martens W, Kloprogge J T, Williams P A (2002) Raman spectroscopy of the basic copper chloride minerals atacamite and paratacamite: implications for the study of copper, brass and bronze objects of archeological significance, Journal of Raman Spectroscopy, 33, 801-806

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

Martens W, Frost R L, Williams P A (2003) Raman and infrared spectroscopic study of the basic copper chloride minerals - implications for the study of the copper and brass corrosion and "bronze disease", Neues Jahrbuch für Mineralogie, Abhandlungen, 178, 197-215

Braithwaite R S W, Mereiter K, Paar W H, Clark A M (2004) Herbertsmithite, Cu3Zn(OH)6Cl2, a new species and the definition of paratacamite, Mineralogical Magazine, 68, 527-539   [view file]

Sciberras M J, Leverett P, Williams P A, Schlüter J, Malcherek T, Welch M D, Downes P J, Hibbs D E, Kampf A R (2017) Structural and compositional variations of basic Cu(II) chlorides in the herbertsmithite and gillardite structure field, Mineralogical Magazine, 81, 123-134