Alum-(K) R040134

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Record 1 of 3  

Name: Alum-(K)
RRUFF ID: R040134
Ideal Chemistry: KAl(SO4)2·12H2O
Locality: Alunite mine, Esmeralda County, Nevada, USA
Source: University of Arizona Mineral Museum 9391 [view label]
Owner: RRUFF
Description: Colorless coarsely crystalline massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Alum-(K) samples (3) ]
CHEMISTRY 
RRUFF ID: R040134.2
Sample Description: Microprobe Fragment
Measured Chemistry: (K0.86(NH4)0.14)Σ=1Al1.00(S1.00O4)2·12H2O ; NH4 not measured but estimated by stoichiometry
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R040134
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R040134.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
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POWDER DIFFRACTION 
RRUFF ID: R040134.1
Sample Description: Powder
Cell Refinement Output: a: 12.1614(1)Å    b: 12.1614(1)Å    c: 12.1614(1)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 1798.67(5)    Crystal System: cubic
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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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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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Cell Refinement Data
Cell Refinement Output Data
DIF File
X-ray Data (XY - Processed)
RRUFF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Alum-(K)

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]

Palache C, Berman H, Frondel C (1951) 29.5.5.1 Potash alum [KAl(SO4)2·12H2O], in The System of Mineralogy, Volume II, Seventh Edition John Wiley and Sons, Inc New York 472-474   [view file]

Nyburg S C, Steed J, Aleksovska S, Petrusevski V M (2000) Structure of the alums. I. On the sulfate group disorder in the alpha-alums, Acta Crystallographica, B56, 204-209

Burke E A J (2008) Tidying up mineral names: an IMA-CNMNC scheme for suffixes, hyphens and diacritical marks, The Mineralogical Record, 39, 131-135   [view file]