Changoite R110213
Name: Changoite
RRUFF ID: R110213
Ideal Chemistry: Na2Zn(SO4)2·4H2O
Locality: La Compania mine, Caracoles, Sierra Gorda, II Region, Atacama Desert, Chile
Source: Gunnar Farber [view label]
Owner: RRUFF
Description: Pale yellow transparent anhedral crystals associated with krohnkite and caracolite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Blodite (3) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the single crystal fragment, R110213.9; 780 nm spectrum is overwhelmed by fluorescence.
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R110213
Wavelength:
Sample Description: Unoriented Raman on the single crystal fragment, R110213.9; 780 nm spectrum is overwhelmed by fluorescence.
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R110213.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.945(3)Å    b: 8.195(4)Å    c: 5.500(6)Å
alpha: 90°    beta: 99.85(4)°    gamma: 90°   Volume: 486.0(1)Å3    Crystal System: monoclinic
  File Type Information Close
Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Changoite

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]

Giglio M (1958) Die Kristallstruktur von Na2Zn(SO4)2·4H2O(Zn-blödit), Acta Crystallographica, 11, 789-794

Jambor J L, Kovalenker V A, Roberts A C (1999) New mineral names, American Mineralogist, 84, 1685-1688   [view file]

Schlüter J, Klaska K-H, Gebhard G (1999) Changoite, Na2Zn(SO4)2·4H2O, the zinc analogue of blödite, a new mineral from Sierra Gorda, Antofagasta, Chile, Neues Jahrbuch für Mineralogie, Monatshefte, 1999, 97-103