Richterite R060043

Name: Richterite
RRUFF ID: R060043
Ideal Chemistry: Na(NaCa)Mg5Si8O22(OH)2
Locality: Langban, Filipstad, Varmland, Sweden
Source: University of Arizona Mineral Museum 13132 [view label]
Owner: RRUFF
Description: Brown transparent stubby prismatic single crystal associated with calcite
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (105) ]
Quick search: [ All Richterite samples (6) ]
RRUFF ID: R060043.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Na0.45K0.25   0.30)(Ca0.78Na1.18Mn0.04)Σ=2(Mg4.25Mn0.75)Σ=5(Si0.97Fe3+0.02Al0.01)8O22(OH)2
Sample Description: Unoriented sample

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RRUFF ID: R060043
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R060043.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
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RRUFF ID: R060043.1
Sample Description: Powder
Cell Refinement Output: a: 9.9126(6)Å    b: 18.035(1)Å    c: 5.2761(5)Å
alpha: 90°    beta: 104.100(7)°    gamma: 90°   Volume: 914.82(9)Å3    Crystal System: monoclinic
  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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REFERENCES for Richterite

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]

Breithaupt J F A (1865) Mineralogische studien. 25. Richterit, Berg- und Huttenmannische Zeitung, 24, 364-364   [view file]

Leake B E (1978) Nomenclature of amphiboles, American Mineralogist, 63, 1023-1052   [view file]

Steel E, Wylie A (1981) Mineralogical characteristics of asbestos, 1, in Geology of Asbestos Deposits Edwards Brothers, Inc. Ann Arbor, MI. 93-99

Goldman D S, Rossman G R (1982) The identification of Fe2+ in the M4 site of calcic amphiboles: reply, American Mineralogist, 67, 340-342   [view file]

Dorling M, Zussman J (1985) An investigation of nephrite jade by electron microscopy, Mineralogical Magazine, 49, 31-36   [view file]

Oberti R, Ungaretti L, Cannillo E, Hawthorne F C (1992) The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite, European Journal of Mineralogy, 4, 425-439

Oberti R, Hawthorne F C, Ungaretti L, Cannillo E (1993) The behaviour of Mn in amphiboles: Mn in richterite, European Journal of Mineralogy, 5, 43-51

Robert J L, Della Ventura G, Raudsepp M, Hawthorne F C (1993) Rietveld structure refinement of synthetic strontium-rich potassium-richterites, European Journal of Mineralogy, 5, 199-206

Hawthorne F C, Della Ventura G, Robert J L, Welch M D, Raudsepp M, Jenkins D M (1997) A Rietveld and infrared study of synthetic amphiboles along the potassium-richterite-tremolite join, American Mineralogist, 82, 708-716   [view file]

Robert J L, Della Ventura G, Hawthorne F C (1999) Near-infrared study of short-range disorder of OH and F in monoclinic amphiboles, American Mineralogist, 84, 86-91   [view file]

Hawthorne F C, Oberti R, Zanetti A (2008) The crystal chemistry of alkali amphiboles from the Kajlidongri Manganese Mine, India, The Canadian Mineralogist, 46, 455-466   [view file]

Su S C (2008) in How to use the d-spacing/interfacial angle tables to index zone-axis patterns of amphibole asbestos minerals obtained by selected area electron diffraction in transmission electron microscope Asbestos Analysis Consulting Newark, Delaware 1-160   [view file]

Oberti R, Boiocchi M, Zema M, Ventura G D (2016) Synthetic potassic-ferro-richterite: 1. Composition, crystal structure refinement, and HT Behavior by in operando single-crystal X-ray diffraction, The Canadian Mineralogist, 54, 353-369

Ventura G D, Redhammer G J, Robert J, Sergent J, Iezzi G, Cavallo A (2016) Crystal-chemistry of synthetic amphiboles along the richterite—ferro-richterite join: A combined spectroscopic (FTIR, Mössbauer), XRPD, and microchemical study, The Canadian Mineralogist, 54, 97-114

Day M C, Hawthorne F C, Susta U, Della Ventura G, Harlow G E (2018) Short-range order-disorder in gem richterite and pargasite from Afghanistan: Crystal-structure refinement and infrared spectroscopy, The Canadian Mineralogist, 56, 939-950

Su S C in A preliminary characterization of “Libby-type amphiboles” by SAED (Selected Area Electron Diffraction) Batta Labratories, Inc. Newark, Delaware 1-7   [view file]