Polyhalite R070209

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Record 3027 of 4216  


Name: Polyhalite
RRUFF ID: R070209
Ideal Chemistry: K2Ca2Mg(SO4)4·2H2O
Locality: West Texas, Texas, USA
Source: Michael Scott S105883 [view label]
Owner: RRUFF
Description: Colorless to brick red massive
Status: The identification of this mineral has been confirmed by X-ray diffraction.
CHEMISTRY 
RRUFF ID: R070209.2
Sample Description: Microprobe Fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070209
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: R070209.1
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: R070209.1
Sample Description: Powder
Cell Refinement Output: a: 6.9577(4)Å    b: 6.9578(3)Å    c: 8.8894(5)Å
alpha: 104.077(4)°    beta: 101.209(5)°    gamma: 113.914(4)°   Volume: 360.15(3)Å3    Crystal System: triclinic
  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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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 Polyhalite

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]

Sowerby J (1817) Polyhalite, in Exotic Mineralogy or, Coloured Figures of Foreign Minerals as a Supplement to British Mineralogy, Volume 2 Arding and Merrett London 101-102   [view file]

Stromeyer F (1817) Ein neu entdecktes Metall und Analyse eines neuen Minerals, Journal für Chemie und Physik, 21, 297-306   [view file]

Stromeyer H (1819) Chemische Untersuchung der natürlichen Boraxsäure, des Eisenpecherzes, des Picro-Pharmacoliths und des Polyhalits, eines neuen fossilen-Salzes, Annalen der Physik, 61, 177-189   [view file]

Stromeyer F (1820) Mineralogisch-chemische Untersuchungen über ein neues fossiles Salz, Journal für Chemie und Physik, 29, 389-410   [view file]

Schaller W T, Henderson E P (1932) Mineralogy of drill cores from the potash field of New Mexico and Texas, U.S. Geological Survey Bulletin, 833, 1-124   [view file]

Bindi L (2005) Reinvestigation of polyhalite, K2Ca2Mg(SO4)4·2H2O, Acta Crystallographica, E61, i135-i136

Lane M D (2007) Mid-infrared emission spectroscopy of sulfate and sulfate-bearing minerals, American Mineralogist, 92, 1-18   [view file]

Xu H, Guo X, Bai J (2017) Thermal behavior of polyhalite: a high-temperature synchrotron XRD study, Physics and Chemistry of Minerals, 44, 125-135