Witherite R050148

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Record 17 of 18  

Name: Witherite
RRUFF ID: R050148
Ideal Chemistry: Ba(CO3)
Locality: Settlingstones mine, Fourstones, Northumberland, England
Source: Jim McGlasson
Owner: RRUFF
Description: Tan colored crystal fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Aragonite (18) ]
Quick search: [ All Witherite samples (3) ]
CHEMISTRY 
RRUFF ID: R050148.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ba0.96Sr0.04)CO3
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented, mounted onto a pin and polished
Pin ID: M00358
Orientation: Laser parallel to  a*  (1 0 0).     Fiducial mark perpendicular to laser is parallel to  -b   [0 -1 0].
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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050148
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050148.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050148.1
Sample Description: Powder
Cell Refinement Output: a: 5.3048(3)Å    b: 8.8854(2)Å    c: 6.4216(4)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 302.68(2)Å3    Crystal System: orthorhombic
  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 Witherite

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]

Withering W, Kirwan R (1784) Experiments and observations on the terra ponderosa, Philosophical Transactions of the Royal Society of London, 74, 293-311   [view file]

Hoffmann C A S (1789) Mineralsystem des Herrn Inspektor Werners mit dessen Erlaubnis herausgegeben von C A S Hoffmann, Bergmannisches Journal, 1, 369-398   [view file]

Klaproth M H (1797) Noch einige Erfahrungen über Witherit und Strontianit, Beiträge zur Chemischen Kenntniss der Mineralkörper, 2, 84-91   [view file]

De Villiers J P R (1971) Crystal structures of aragonite, strontianite, and witherite, American Mineralogist, 56, 758-772   [view file]

Blount C (1974) Synthesis of barite, celestite, anglesite, witherite, and strontianite from aqueous solutions, American Mineralogist, 59, 1209-1219   [view file]

Chamberlain S C, Dossert W P, Siegel D I (1986) A new paragenesis and new localities for witherite, The Canadian Mineralogist, 24, 79-90   [view file]

Cloots R (1991) Raman spectrum of carbonates MIICO3 in the 1100-1000 cm-1 region: observation of the v1 mode of the isotopic (C16O218O)2- ion, Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, 47, 1745-1750

Antao S M, Hassan I (2007) BaCO3: high-temperature crystal structures and the Pmcn —› R3m phase transition at 811°C, Physics and Chemistry of Minerals, 34, 573-580

Antao S M, Hassan I (2009) The orthorhombic structure of CaCO3, SrCO3, PbCO3 and BaCO3: Linear structural trends, The Canadian Mineralogist, 47, 1245-1255   [view file]

Buzgar N, Apopei A I (2009) The Raman study of certain carbonates, Analele Stiintifice Ale Universitatii, Al. I. Cuza Iasi Geologie, 55, 97-112   [view file]

Ye Y, Smyth J R, Boni P (2012) Crystal structure and thermal expansion of aragonite-group carbonates by single-crystal X-ray diffraction, American Mineralogist, 97, 707-712   [view file]

Nie S, Liu Y, Liu Q, Wang M, Wang H (2017) Phase transitions and thermal expansion of BaCO3 and SrCO3 up to 1413 K, European Journal of Mineralogy, 29, 433-443

Lindner M, Jordan G (2018) On the growth of witherite and its relacement by the Mg-bearing double carbonate norsethite: Implications for the dolomite problem, American Mineralogist, 103, 252-259

Li K, Liu X, Guo R, Wu C, Peng B, Li Z, Duan X, Zhou Y, Pei C (2020) Non-isodiametric growth and confinement effect in the mineralisation of witherite, Mineralogical Magazine, 84, 524-532