Riebeckite R050082

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Record 1 of 3  

Name: Riebeckite
RRUFF ID: R050082
Ideal Chemistry: ◻Na2(Fe2+3Fe3+2)Si8O22(OH)2
Locality: Mt. Malosa, Zomba, Chilwa, Alkaline Area, Malawi
Source: Rock Currier
Owner: RRUFF
Description: Black elongated prisms
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (107) ]
Quick search: [ All Riebeckite samples (3) ]
CHEMISTRY 
RRUFF ID: R050082.2
Sample Description: Microprobe Fragment
Measured Chemistry: (◻0.63Na0.19K0.18)(Na1.58Ca0.42)Σ=2Fe2+3.00(Fe3+1.30Fe2+0.45Mn0.15Mg0.05Ti0.05)Σ=2(Si0.98Al0.02)8O22(OH)2
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented, mounted onto a pin and polished
Pin ID: L00547
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: R050082
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050082.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050082.1
Sample Description: Powder
Cell Refinement Output: a: 9.895(3)Å    b: 18.103(3)Å    c: 5.338(2)Å
alpha: 90°    beta: 103.59(2)°    gamma: 90°   Volume: 929.3(0)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 Riebeckite

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]

Sauer A (1888) Ueber Riebeckit, ein neues Glied der Hornblendegruppe, sowie über Neubildung von Albit in granitischen Orthoklasen, Zeitschrift der Deutschen Geologischen Gesellschaft, 40, 138-152   [view file]

White, A J R (1962) Aegirine-riebeckite shists from South Westland, New Zealand, Journal of Petrology, 3, 38-48

Colville A A, Gibbs G V (1964) Refinement of the crystal structure of riebeckite, Geological Society of America, Abstracts Annual Meetings, 82, 31-31

Klein C (1966) Mineralogy and petrology of the metamorphosed Wabush Iron Formation, Southwestern Labrador, Journal of Petrology, 7, 246-305

Borg I Y (1967) Optical properties and cell parameters in the glaucophane-riebeckite series, Contributions to Mineralogy and Petrology, 15, 67-92   [view file]

Manning P G, Nickel E H (1969) A spectral study of the origin of colour and pleochroism of a titanaugite from Kaiserstuhl and of a riebeckite St. Peter's Dome, Colorado, The Canadian Mineralogist, 10, 71-83   [view file]

Hawthorne F C (1978) The crystal chemistry of the amphiboles. VIII. The crystal structure and site chemistry of fluor-riebeckite, The Canadian Mineralogist, 16, 187-194   [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

Bard D, Yarwood J, Tylee B (1997) Asbestos fibre identification by Raman microspectroscopy, Journal of Raman Spectroscopy, 28, 803-809   [link]

Leake B E, Woolley A R, Arps C E S, Birch W D, Gilbert M C, Grice J D, Hawthorne F C, Kato A, Kisch H J, Krivovichev V G, Linthout K, Laird J, Mandarino J A, Maresch W V, Nickel E H, Rock N M S, Schumacher J C, Smith D C, Stephenson N C N, Ungaretti L, Whittaker E J W, Youzhi G (1997) Nomenclature of amphiboles: report of the Subcommittee on Amphiboles of the International Mineralogical Association, Commission on New Minerals and Mineral Names, The Canadian Mineralogist, 35, 219-246   [view file]

Su S C (2003) A rapid and accurate procedure for the determination of refractive indices of regulated asbestos minerals, American Mineralogist, 88, 1979-1982   [view file]

Rinaudo C, Belluso E, Gastaldi D (2004) Assessment of the use of Raman spectroscopy for the determination of amphibole asbestos, Mineralogical Magazine, 68, 455-465   [view file]

Harper M, Lee E G, Doorn S S, Hammond O (2008) Differentiating non-asbestiform amphibole and amphibole asbestos by size characteristics, Journal of Occupational and Environmental Hygiene, 5, 761-770   [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]

Apopei A I, Buzgar N (2010) The Raman study of amphiboles, Analele Stiintifice Ale Universitatii, Al. I. Cuza Iasi Geologie, 56, 57-83   [view file]

Gunter M E (2010) Defining asbestos: differences between the built and natural environments, Chimia, 64, 747-752

Oberti R, Boiocchi M, Zema M, Hawthorne F C, Redhammer G J, Susta U, Della Ventura G (2018) The high-temperature behaviour of riebeckite: expansivity, deprotonation, selective Fe oxidation and a novel cation disordering scheme for amphiboles, European Journal of Mineralogy, 30, 437-449

Susta U, Della Ventura G, Hawthorne F C, Abdu Y A, Day M C, Mihailova B, Oberti R (2018) The crystal-chemistry of riebeckite, ideally Na2Fe32+Fe23+Si8O22(OH)2: a multi-technique study, Mineralogical Magazine, 82, 837-852

Ventura G D, Mihailova B, Susta U, Guidi M C, Marcelli A, Schlüter J, Oberti R (2018) The dynamics of Fe oxidation in riebeckite: A model for amphiboles, American Mineralogist, 103, 1103-1111

Della Ventura G, Radica F, Galdenzi F, Susta U, Cinque G, Cestelli-Guidi M, Mihailova B, Marcelli A (2022) Kinetics of dehydrogenation of riebeckite Na2Fe3+2Fe2+3Si8O22(OH)2: An HT-FTIR study, American Mineralogist, 107, 754-764

Tribaudino M, Hovis G L, Almer C, Leaman A (2022) Thermal expansion of minerals in the amphibole supergroup, American Mineralogist, 107, 1302-1312

Della Ventura G, Redhammer G J, Galdenzi F, Ventruti G, Susta U, Oberti R, Radica F, Marcelli A (2023) Oxidation or cation re-arrangement? Distinct behavior of riebeckite at high temperature, American Mineralogist, 108, 59-69