Lueshite R090025


 Name: Lueshite
RRUFF ID: R090025
Ideal Chemistry: NaNbO3
Locality: Lueshe, Province Kivu, Zaire (Congo belg.)
Source: Karl Russ [view label]
Owner: RRUFF
Description: Black cubes
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample.
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R090025
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
POWDER DIFFRACTION 
RRUFF ID: R090025.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.797(1)Å    b: 7.797(1)Å    c: 7.797(1)Å
alpha: 90.007(1)°    beta: 90.007(1)°    gamma: 90.007(1)°   Volume: 474.1(2)    Crystal System: rhombohedral
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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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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Lueshite

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]

Safiannikoff A (1959) Un nouveau minéral de niobium, Académie Royal des Sciences d’Outre-Mer, Bulletin des Séances, 5, 1251-1255

Fleischer M (1961) New mineral names, American Mineralogist, 46, 1004-1004   [view file]

Solov'ev S P, Venevtsev Y N, Zhdanov G S (1961) An X-ray study of phase transitions in NaNbO3, Soviet Physics - Crystallography, 6, 171-175

International Mineralogical Association (1962) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 33, 260-263   [view file]

Sakowski-Cowley A C, Lukaszewicz K, Megaw H D (1969) The structure of sodium niobate at room temperature, and the problem of reliability in pseudosymmetric structures, Acta Crystallographica, B25, 851-865

Seidel P, Hoffmann W (1976) Verfeinerung der kristallstruktur von NaNbO3. N. Bestimmung der absoluten konfiguration und des zwillingsgesetzes, Zeitschrift für Kristallographie, 143, 444-459   [view file]

von der Mühll R, Sadel A, Hagenmuller P (1984) Structure cristalline à 295 K de la phase ferroelectrique Li0.02Na0.98NbO3, Journal of Solid State Chemistry, 51, 176-182