Mosandrite-(Ce) R100097
Name: Mosandrite-(Ce)
RRUFF ID: R100097
Ideal Chemistry: (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2
Locality: Granite Mountain #2 Quarry, Arkansas, USA
Source: Henry Barwood [view label]
Owner: RRUFF
Description: Isolated yellowish-brown prismatic crystals in feldspar, associated with dark-green epidote, dark-brown astrophyllite, colorless fluorapatite, pinkish fluorite, and pale yellow monazite.
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Mosandrite (2) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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RRUFF ID: R100097
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R100097.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.4417(7)Å    b: 5.6678(5)Å    c: 18.830(2)Å
alpha: 90°    beta: 101.422(5)°    gamma: 90°   Volume: 778.5(2)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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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Mosandrite-(Ce)

Berzelius J (1842) Mineralogie: Neue Mineralien. Mosandrit, Jahres-Bericht über die Fortschritte der Chemie und Mineralogie, 21, 178-179   [view file]

Brögger W C (1890) Die mineralien der syenitpegmatitgänge der Südnorwegischen augit- und nephelinsyenite. 19. Mosandrit, Erdmann, und 20. Johnstrupit, Brögger, Zeitschrift für Krystallographie und Mineralogie, 16, 74-94   [view file]

Fleischer M (1958) New mineral names, American Mineralogist, 43, 790-798   [view file]

Galli E, Alberti A (1971) The crystal structure of rinkite, Acta Crystallographica, B27, 1277-1284

Petersen O V, Rønsbo J G, Leonardsen E S (1989) Nacareniobsite-(Ce), a new mineral species from the Ilímaussaq alkaline complex, South Greenland, and its relation to mosandrite and the rinkite series, Neues Jahrbuch für Mineralogie, Monatshefte, 1989, 84-96

Sokolova E, Cámara F (2008) From structure topology to chemical composition. VIII. Titanium silicates: the crystal chemistry of mosandrite from type locality of Låven (Skådön), Langesundsfjorden, Larvik, Vestfold, Norway, Mineralogical Magazine, 72, 887-897   [view file]

Bellezza M, Merlino S, Perchiazzi N, Raade G (2009) «Johnstrupite»: a chemical and structural study, Atti della Società Toscana di Scienze Naturali, Memorie, Serie A, 114, 1-3

Bellezza M, Merlino S, Perchiazzi N (2009) Mosandrite: Structural and crystal-chemical relationships with rinkite, The Canadian Mineralogist, 47, 897-908   [view file]

Biagioni C, Merlino S, Parodi G C, Perchiazzi N (2012) Crystal chemistry of minerals of the wöhlerite group from the Los Archipelago, Guinea, The Canadian Mineralogist, 50, 593-609   [view file]

Sokolova E, Hawthorne F C (2013) From structure topology to chemical composition. XIV. Titanium silicates: refinement of the crystal structure and revision of the chemical formula of mosandrite, (Ca3REE)[(H2O)2Ca0.5◻0.5]Ti(Si2O7)2(OH)2(H2O)2, a Group-I mineral from the Saga mine, Morje, Porsgrunn, Norway, Mineralogical Magazine, 77, 2753-2771

Hålenius U, Hatert F, Pasero M, Mills S J (2016) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 33. New minerals and nomenclature modifications approved in 2016, Mineralogical Magazine, 80, 1135-1144   [view file]

Sokolova E, Cámara F (2017) The seidozerite supergroup of TS-block minerals: nomenclature and classification, with change of the following names: rinkite to rinkite-(Ce), mosandrite to mosandrite-(Ce), hainite to hainite-(Y) and innelite-1T to innelite-1A, Mineralogical Magazine, 81, 1457-1487   [view file]

Turner D J, Rivard B, Groat L A (2018) Visible and short-wave infrared reflectance spectoscopy of selected REE-bearing silicate minerals, American Mineralogist, 103, 927-943