Atacamite R050098



Name: Atacamite
RRUFF ID: R050098
Ideal Chemistry: Cu2Cl(OH)3
Locality: La Farola mine, Tierra Amarilla, Atacama, Chile
Source: Rock Currier
Owner: RRUFF
Description: Green prismatic single crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Atacamite (15) ]
CHEMISTRY 
RRUFF ID: R050098.2
Sample Description: Microprobe Fragment
Measured Chemistry: Cu2.00Cl1.00(OH)3
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented, mounted onto a pin and polished
Pin ID: M00220
Orientation: Laser parallel to  -b*  (0 -1 0).     Fiducial mark perpendicular to laser is parallel to  c   [0 0 1].
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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050098
Wavelength:
Sample Description: Raman from the unoriented primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050098.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050098.1
Sample Description: Powder
Cell Refinement Output: a: 6.0303(1)Å    b: 6.8677(2)Å    c: 9.1189(2)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 377.65(1)Å3    Crystal System: orthorhombic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Atacamite

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]

Karsten D L G (1800) Tabellarische uebersicht der mineralogisch - einfachen fossilien [as kupfer], in Mineralogische Tabellen Heinrich August Rottmann Berlin 46-46   [view file]

Blumenbach J F (1803) L´atacamit, sable vert d´Atacama, in Manuel D´Histoire Naturelle, Volume 2 Soulange Artaud Paris 348-349   [view file]

Wells AF (1949) The crystal structure of atacamite and the crystal chemistry of cupric compounds, Acta Crystallographica, 2, 175-180   [link]

Bailey S W (1977) Report of the I.M.A-I.U.Cr. Joint Committee on Nomenclature, American Mineralogist, 62, 411-415   [view file]

Parise J B, Hyde B G (1986) The structure of atacamite and its relationship to spinel, Acta Crystallographica, C42, 1277-1280

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

Lichtenegger H C, Schöberl T, Bartl M H, Waite H, Stucky G D (2002) High abrasion resistance with sparse mineralization: Copper biomineral in worm jaws, Science, 298, 389-391

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

Zheng X G, Mori T, Nishiyama K, Higemoto W, Yamada H, Nishikubo K, Xu C N (2005) Antiferromagnetic transitions in polymorphous minerals of the natural cuprates atacamite and botallackite Cu2Cl(OH)3, Physical Review B, 71, 174404-8

Kolitsch U, Rieck B, Brandstätter F, Schreiber F, Fabritz K H, Blaß G, Gröbner J (2014) Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (II), Mineralien Welt, 25, 82-95   [view file]