Microlite R050625

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Record 2 of 11  

Name: Microlite
RRUFF ID: R050625
Ideal Chemistry: (Ca,Na)2Ta2(O,OH,F)7
Locality: Urubu mine, Itinga, Minas Gerais, Brazil
Source: Gemological Center
Owner: RRUFF
Description: Yellow fragment
Status: The identification of this mineral has been made only by X-ray diffraction.
Quick search: [ All Microlite samples (3) ]
CHEMISTRY 
RRUFF ID: R050625.2
Sample Description: Microprobe Fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050625
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050625.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
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POWDER DIFFRACTION 
RRUFF ID: R050625.1
Sample Description: Powder
Cell Refinement Output: a: 10.42178(8)Å    b: 10.42178(8)Å    c: 10.42178(8)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 1131.94(3)    Crystal System: cubic
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Calculated diffraction file.

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

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Cell Refinement Data
Cell Refinement Output Data
DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Microlite

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]

Shepard C U (1835) Microlite, a new mineral species, The American Journal of Science and Arts, 27, 361-362   [view file]

Brøgger W C (1906) Die mineralien der Südnorwegischen granitpegmatitgänge: Blomstrandin (und priorit), Skrifter udgivne af Videnskabs-Selskabet i Christiania, 1906, issue 6 1-162   [view file]

Cerný P, Harris D C (1973) Tapiolite, stibiotantalite, and antimonian microlite from the Odd West pegmatite, southeastern Manitoba, The Canadian Mineralogist, 12, 76-78   [view file]

Hogarth D D (1977) Classification and nomenclature of the pyrochlore group, American Mineralogist, 62, 403-410   [view file]

Caprilli E, Della Ventura G, Williams T C, Parodi G C, Tuccimei P (2006) The crystal chemistry of non-metamict pyrochlore-group minerals from Latium, Italy, The Canadian Mineralogist, 44, 1367-1378   [view file]

Atencio D, Andrade M B, Christy A G, Gieré R, Kartashov P M (2010) The pyrochlore supergroup of minerals: nomenclature, The Canadian Mineralogist, 48, 673-698

Andrade M B, Atencio D, Menezes Filho L A D, Ellena J (2011) The crystal structure of a microlite-group mineral with a formula near NaCaTa2O6F from the Morro Redondo mine, Coronel Murta, Minas Gerias, Brazil, The Canadian Mineralogist, 49, 615-621