Segnitite R070492

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Record 39 of 44  


Name: Segnitite
RRUFF ID: R070492
Ideal Chemistry: PbFe3+3(AsO4)(AsO3OH)(OH)6
Locality: Capitana mine, CopiapĆ³ Province, Atacama Region, Chile
Source: Bob Jenkins [view label]
Owner: RRUFF
Description: Aggregate of small light green rhombohedral crystals
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Groups: [ alunite (44) ] [ crandallite (15) ]
Quick search: [ All Segnitite samples (3) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070492
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R070492.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.33(1)Å    b: 7.33(1)Å    c: 17.16(2)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 799(1)Å3    Crystal System: hexagonal
  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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REFERENCES for Segnitite

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]

Birch W D, Pring A, Gatehouse B M (1992) Segnitite, PbFe3H(AsO4)2(OH)6, a new mineral in the lusungite group from Broken Hill, New South Wales, Australia, American Mineralogist, 77, 656-659   [view file]

Jambor J L (1999) Nomenclature of the alunite supergroup, The Canadian Mineralogist, 37, 1323-1341   [view file]

Grice J D, Ferraris G (2003) New minerals approved in 2002 and nomenclature modifications approved in 1998-2002 by the Commission on the New Minerals and Mineral Names, International Mineralogical Association, The Canadian Mineralogist, 41, 795-802   [view file]

Sejkora J, Škovíra J, Cejka J, Plášil J (2009) Cu-rich members of the beudantite-segnitite series from the Krupka ore district, the Krušné hory Mountains, Czech Republic, Journal of Geosciences, 54, 355-371

Bayliss P, Kolitsch U, Nickel E H, Pring A (2010) Alunite supergroup: recommended nomenclature, Mineralogical Magazine, 74, 919-927   [view file]

Mills S J, Etschmann B, Kampf A R, Poirier G, Newville M (2014) Sb5+ and Sb3+ substitution in segnitite: A new sink for As and Sb in the environment and implications for acid mine drainage, American Mineralogist, 99, 1355-1359