Pargasite R060632

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Record 3 of 4  

Name: Pargasite
RRUFF ID: R060632
Ideal Chemistry: NaCa2(Mg4Al)(Si6Al2)O22(OH)2
Locality: unknown
Source: Gemological Institute of America 08 [view label]
Owner: RRUFF
Description: Black cleavage fragment
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ amphibole (105) ]
Quick search: [ All Pargasite samples (4) ]
CHEMISTRY 
RRUFF ID: R060632.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Na0.61K0.34   0.05)(Ca1.82Na0.18)Σ=2(Mg3.12Fe2+0.88)Σ=4(Al0.78Ti0.22)(Si6.00Al2.00)Σ=8O22((OH)0.84F0.16)2
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample.
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060632
Wavelength:
Sample Description: Unoriented sample.
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060632.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.856(2)Å    b: 17.994(4)Å    c: 5.3030(6)Å
alpha: 90°    beta: 105.29(1)°    gamma: 90°   Volume: 907.2(3)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 Pargasite

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]

Pansner J H L (1815) Korrespondenz, ├╝ber den sogenannten pargasit, Taschenbuch für die gesammte Mineralogie mit Hinsicht auf die neuesten Entdeckungen, 9, 301-308   [view file]

Majmundar H H (1969) Shorter communications: Pargasites from Madagascar, The Canadian Mineralogist, 10, 97-100   [view file]

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

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]

Raudsepp M, Turnock A C, Hawthorne F C, Sherriff B L, Hartman J S (1987) Characterization of synthetic pargasitic amphiboles (NaCa2Mg4M3+Si6Al2O22(OH,F)2; (M3+ = Al, Cr, Ga, Sc, In) by infrared spectroscopy, Rietveld structure refinement, and 27Al, 29Si, and 19F MAS NMR spectroscopy, 72, 580-593

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]

Tait K T, Hawthorne F C, Della Ventura G (2001) Al-Mg disorder in a gem-quality pargasite from Baffin Island, Nunavut, Canada, The Canadian Mineralogist, 39, 1725-1732   [view file]

Kahl W A, Maresch W V, Welch M D (2003) Enthalpy of formation of pargasite by high-temperature solution calorimetry and heat capacity of pargasite and fluoropargasite by differential scanning calorimetry, European Journal of Mineralogy, 15, 617-628

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]

Hålenius U, Bosi F (2012) Cation ordering in Pb2+-bearing, Mn3+-rich pargasite from Långban, Sweden, American Mineralogist, 97, 1635-1640   [view file]

Heaveysege D, Abdu Y A, Hawthorne F C (2015) Long-range and short-range order in gem pargasite from Myanmar: crystal-structure refinement and infrared spectroscopy, The Canadian Mineralogist, 53, 497-510

Brown J M, Abramson E H (2016) Elasticity of calcium and calcium-sodium amphiboles, Physics of The Earth and Planetary Interiors, 261, 161-171