Gearksutite R050657


Name: Gearksutite
RRUFF ID: R050657
Ideal Chemistry: CaAlF4(OH)·H2O
Locality: Jamestown, Colorado, USA
Source: University of Arizona Mineral Museum 13284 [view label]
Owner: RRUFF
Description: White fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
CHEMISTRY 
RRUFF ID: R050657.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ca0.98Sr0.02)Al1.00F4.00(OH)·H2O
Reference File: [ View PDF ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050657
Wavelength:
Sample Description: Unoriented Sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050657.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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RRUFF ID: R050657.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050657.1
Sample Description: Powder
Cell Refinement Output: a: 4.9358(2)Å    b: 6.8086(3)Å    c: 6.9775(7)Å
alpha: 101.158(4)°    beta: 94.736(3)°    gamma: 110.067(7)°   Volume: 213.25(1)Å3    Crystal System: triclinic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Gearksutite

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]

Dana J D, Brush G J (1868) 170. Gearksutite, in A System of Mineralogy, Fifth Edition John Wiley and Sons New York 130-130   [view file]

Flight W (1883) Two new aluminous mineral species, evigtokite and liskeardite, Journal of the Chemical Society, 43, 140-142   [view file]

Larsen E S, Wells R C (1916) Some minerals from the fluorite-barite vein near Wagon Wheel Gap, Colorado, Proceedings of the National Academy of Sciences, 2, 360-365   [view file]

Fleischer M (1960) New mineral names, American Mineralogist, 45, 1130-1136   [view file]

International Mineralogical Association (1962) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 33, 260-263   [view file]

Kolitsch U, Götzinger M (2000) Einige Neufunde aus der Grube Clara im mittleren Schwarzwald: Eulytin, Namibit, Volborthit, Gearksutit, Spertiniit, Monazit-(La), Protasit, Sainfeldit, Cyanotrichit und Vauquelinit, Der Erzgräber, 14, 33-47

Marchetti F, Perchiazzi N (2000) The crystal structure of gearksutite, CaAlF4(OH) · H2O, American Mineralogist, 85, 231-235

Kolitsch U, Rieck B, Brandstätter F, Schreiber F, Fabritz K H, Blaß G, Gröbner J (2014) Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (II), Mineralien Welt, 25, 82-95