Polylithionite R050132



Name: Polylithionite
RRUFF ID: R050132
Ideal Chemistry: KLi2AlSi4O10F2
Locality: Brown Derby mine, Ohio City, Gunnison County, Colorado, USA
Source: Dave Bunk Minerals
Owner: RRUFF
Description: Purple scaly aggregate, polytype 2M1
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ mica (50) ]
Quick search: [ All Polylithionite samples (4) ]
CHEMISTRY 
RRUFF ID: R050132.2
Sample Description: Microprobe Fragment
Measured Chemistry: (K0.90Rb0.10)(Li0.62Al0.38)3(Si0.93Al0.07)4O10(F0.69(OH)0.31)2
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented and mounted on a pin
Pin ID: M00149
Orientation: Laser parallel to  -b*  (0 -1 0).     Fiducial mark perpendicular to laser is parallel to  -c   [0 0 -1].
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050132
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050132.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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RRUFF ID: R050132.1
Sample Description: Powder
Instrument settings: PIKE GladiATR - Far-IR on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050132.1
Sample Description: Powder, refined as 2M1 polytype
Cell Refinement Output: a: 5.1937(8)Å    b: 9.005(2)Å    c: 20.052(1)Å
alpha: 90°    beta: 95.555(8)°    gamma: 90°   Volume: 933.5(2)Å3    Crystal System: monoclinic
  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 Polylithionite

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]

Lorenzen J (1884) Untersuchung einiger Mineralien aus Kangerdluarsuk in Grönland, Zeitschrift für Krystallographie und Mineralogie, 9, 243-254   [view file]

Perrault G (1966) Abstract of paper presented at the eleventh meeting: Polylithionite from St. Hilaire, P.Q., The Canadian Mineralogist, 8, 671-671   [view file]

Rieder M, Cavazzini G, D’Yakonov Y S, Frank-Kamenetskii V A, Gottardt G, Guggenheim S, Koval P V, Muller G, Neiva A M R, Radoslovich E W, Robert J L, Sassi F P, Takeda H, Weiss Z, Wones D R (1998) Nomenclature of the micas, The Canadian Mineralogist, 36, 905-912   [view file]

Brigatti M F, Caprilli E, Malferrari D, Medici L, Poppi L (2005) Crystal structure and chemistry of trilithionite-2M2 and polylithionite-2M2, European Journal of Mineralogy, 17, 475-481

Brigatti M F, Mottana A, Malferrari D, Cibin G (2007) Crystal structure and chemical composition of Li-, Fe-, and Mn-rich micas, American Mineralogist, 92, 1395-1400   [view file]

Elmi C, Brigatti M F, Guggenheim S, Pasquali L, Montecchi M, Nannarone S (2014) Crystal chemistry and surface configurations of two polylithionite-1M crystals, American Mineralogist, 99, 2049-2059

Breiter K, Vaňková M, Galiová M V, Korbelová Z, Kanický V (2017) Lithium and trace-element concentrations in trioctahedral micas from granites of different geochemical types measured via laser ablation ICP-MS, Mineralogical Magazine, 81, 15-33

Hawthorne F C, Sokolova E, Agakhanov A A, Pautov L A, Karpenko V Y (2019) The crystal structure of polylithionite-1M from Darai-Pioz, Tajikistan: The role of short-range order in driving symmetry reduction in 1M Li-rich mica, The Canadian Mineralogist, 57, 519-528