Ankerite R050181

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Record 190 of 4034  


Name: Ankerite
RRUFF ID: R050181
Ideal Chemistry: Ca(Fe2+,Mg)(CO3)2
Locality: Cerro Sapo, Cochabamba Department, Bolivia
Source: Marcus Origlieri
Owner: RRUFF
Description: White coarsely crystalline massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Dolomite (15) ]
Quick search: [ All Ankerite samples (4) ]
CHEMISTRY 
RRUFF ID: R050181.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ca1.00(Fe2+0.60Mg0.35Mn2+0.05)Σ=1(CO3)2 ; C not measured but estimated by difference and stoichiometry
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented, mounted onto a pin and polished
Pin ID: M00493
Orientation: Laser parallel to  -a*  (-1 0 0).     Fiducial mark perpendicular to laser is parallel to  c   [0 0 1].
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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050181
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050181.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050181.1
Sample Description: Powder
Cell Refinement Output: a: 4.8270(1)Å    b: 4.8270(1)Å    c: 16.1475(8)Å
alpha: 90.°    beta: 90.°    gamma: 120.°   Volume: 325.83(2)Å3    Crystal System: hexagonal
  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 Ankerite

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]

Mohs F (1825) Paratomous lime-haloide, in Treatise on Mineralogy Vol II, translated by Haidinger Archibald and Co. Edinburgh 100-101   [view file]

Luboldt R (1857) Ueber den Ankerit, Annalen der Physik, 178, 435-437   [view file]

Howie R A, Broadhurst F M (1958) X-ray data for dolomite and ankerite, American Mineralogist, 43, 1210-1216

Beran A, Zemann J (1977) Refinement and comparison of the crystal structures of a dolomite and of an Fe-rich ankerite, Tschermaks Mineralogische und Petrographische Mitteilungen, 24, 279-286

Mozley P S, Hoernle K (1990) Geochemistry of carbonate cements in the Sag River and Shublik Formation (Triassic/Jurassic), North Slope, Alaska: implications for the geochemical evolution of formation waters, Sedimentology, 37, 817-836

Mendenbach O, Shannon R D (1997) Refractive indices and optical dispersion of 103 synthetic and mineral oxides and silicates measured by a small-prism technique, Journal of the Optical Society of America B, 14, 3299-3318

Zaitsev A N, Wall F, Le Bas M J (1998) REE-Sr-Ba minerals from the Khibina carbonatites, Kola Peninsula, Russia: their mineralogy, paragenesis and evolution, Mineralogical Magazine, 62(2), 225-250   [view file]

Ondruš P, Veselovský F, Gabašová A, Hloušek J, Šrein V, Vavrín I, Skála R, Sejkora J, Drábek M (2003) Primary minerals of the Jáchymov ore district, Journal of the Czech Geological Society, 48, 19-147   [view file]

Hilscher G, Rogl P, Zemann J, Ntaflos T (2005) Low-temperature magnetic investigation of ankerite, European Journal of Mineralogy, 17, 103-105

Rividi N, van Zuilen M, Philippot P, Ménez B, Godard G, Poidatz E (2010) Calibration of carbonate composition using micro-Raman analysis: Application to planetary surface exploration, Astrobiology, 10, 293-309