Magnesio-riebeckite R070002



Name: Magnesio-riebeckite
RRUFF ID: R070002
Ideal Chemistry: ◻Na2(Mg3Fe3+2)Si8O22(OH)2
Locality: Alto Chapare, Cochabamba Department, Bolivia
Source: Michael Scott S100846 [view label]
Owner: RRUFF
Description: Light bluish gray fibrous cloth-like fabric
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ amphibole (107) ]
Quick search: [ All Magnesio-riebeckite samples (2) ]
CHEMISTRY 
RRUFF ID: R070002.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Na1.92Ca0.08K0.04)Σ=2(Mg2.62Fe2+0.50)Σ=3.12(Fe3+1.84Al0.04)Σ=1.88Si8.00O22(OH)2; OH estimated by stoichiometry; Fe3+ and Fe2+ splitted by charge balance
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070002
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R070002.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R070002.1
Sample Description: Powder
Cell Refinement Output: a: 9.7043(4)Å    b: 17.9407(7)Å    c: 5.3053(5)Å
alpha: 90°    beta: 103.691(4)°    gamma: 90°   Volume: 897.41(7)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.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Magnesio-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]

Miyashiro A, Iwasaki M (1957) Magnesioriebeckite in crystalline schists of Bizan in Sikoku, Japan, Journal of the Geological Society of Japan, 63, 698-703   [view file]

Miyashiro A (1957) The chemistry, optics, and genesis of the alkali-amphiboles, Journal of Faculty of Science, University of Tokyo, Section II, 11, 57-83   [view file]

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

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

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]

Leake B E, Woolley A R, Birch W D, Burke E A J, Ferraris G, Grice J D, Hawthorne F C, Kisch H J, Krivovichev V G, Schumacher J C, Stephenson N C N, Whittaker E J W (2003) Nomenclature of amphiboles: additions and revisions to the International Mineralogical Association’s 1997 recommendations, The Canadian Mineralogist, 41, 1355-1362   [view file]

Burke E A J, Leake B E (2004) "Named amphiboles": a new category of amphiboles recognized by the International Mineralogical Association (IMA), and the proper order of prefixes to be used in amphibole names, The Canadian Mineralogist, 42, 1881-1883   [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]

Hawthorne F C, Oberti R, Harlow G E, Maresch W V, Martin R F, Schumacher J C, Welch M D (2012) Nomenclature of the amphibole supergroup, American Mineralogist, 97, 2031-2048   [view file]

Oberti R, Boiocchi M, Hawthorne F C, Ciriotti M E (2017) Magnesio-riebeckite from the Varenche mine (Aosta Valley, Italy): Crystal-chemical characterization of a grandfathered end-member, Mineralogical Magazine, 81, 1431-1437   [view file]

Pacella A, Andreozzi G B, Nodari L, Ballirano P (2019) Chemical and structural characterization of UICC crocidolite fibres from Koegas Mine, Northern Cape (South Africa), Periodico di Mineralogia, 88, 297-306