Crandallite R140429

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Record 242 of 1179  


Name: Crandallite
RRUFF ID: R140429
Ideal Chemistry: CaAl3(PO4)(PO3OH)(OH)6
Locality: Savannah Pit, Tyrone mine, Grant County, New Mexico, USA
Source: Ron Gibbs [view label]
Owner: RRUFF
Description: Colorless, hexagonal platy crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Groups: [ alunite (46) ] [ crandallite (14) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R140429
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R140429.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 6.978(4)Å    b: 6.978(4)Å    c: 16.186(9)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 682.5(1)Å3    Crystal System: hexagonal
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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 Crandallite

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]

Gordon S G (1917) New minerals, American Mineralogist, 2, 41-42   [view file]

Loughlin G F, Schaller W T (1917) Crandallite, a new mineral, American Journal of Science, 43, 69-74   [view file]

van Wambeke L (1971) The problem of cation deficiencies in some phosphates due to alteration processes, American Mineralogist, 56, 1366-1384   [view file]

Blount A M (1974) The crystal structure of crandallite, American Mineralogist, 59, 41-47   [view file]

Bermanec V, Šćavničar, Zebec V (1995) Childrenite and crandallite from the Stari Trg mine (Trepča), Kosovo: new data, Mineralogy and Petrology, 52, 197-208

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

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

Rossi M, Rizzi R, Vergara A, Capitelli F, Altomare A, Bellatreccia F, Saviano M, Ghiara R M (2017) Compositional variation of turquoise-group minerals from the historical collection of the Real Museo Mineralogico of the University of Naples, Mineralogical Magazine, 81, 1405-1429