Cryolite R120026

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Record 2 of 3  

Name: Cryolite
RRUFF ID: R120026
Ideal Chemistry: Na2NaAlF6
Locality: Francon quarry, Montréal, Québec, Canada
Source: Donald Doell [view label]
Owner: RRUFF
Description: Colorless, pseudo-octahedral crystals
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Perovskite (44) ]
Quick search: [ All Cryolite samples (3) ]
Sample Description: Unoriented sample

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RRUFF ID: R120026
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R120026.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.392(4)Å    b: 5.550(4)Å    c: 7.739(5)Å
alpha: 90°    beta: 90.18(4)°    gamma: 90°   Volume: 231.58(6)Å3    Crystal System: monoclinic
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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 Cryolite

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]

Abilgaard P C (1799) Norwegische Titanerze und andre neue Fossilien, Allgemeines Journal der Chemie, 2, 502-502   [view file]

Karsten D L G (1800) Tabellarische uebersicht der mineralogisch - einfachen fossilien, in Mineralogische Tabellen Heinrich August Rottmann Berlin 28-28   [view file]

Náray-Szabó S, Sasvári K (1938) Die struktur des kryoliths Na3AlF6, Zeitschrift für Kristallographie, 99, 27-31   [view file]

Hawthorne F C, Ferguson R B (1975) Refinement of the crystal structure of cryolite, The Canadian Mineralogist, 13, 377-382   [view file]

Ross K C, Mitchell R H, Chakhmouradian A R (2003) The crystal structure of synthetic simmonsite, Na2LiAlF6, Journal of Solid State Chemistry, 172, 95-101

Zhou Q, Kennedy B J (2004) High-temperature powder synchrotron diffraction studies of synthetic cryolite Na3AlF6, Journal of Solid State Chemistry, 177, 654-659

Mitchell R H, Welch M D, Chakhmouradian A R (2017) Nomenclature of the perovskite supergroup: A hierarchical system of classification based on crystal structure and composition, Mineralogical Magazine, 81, 411-461   [view file]