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Steenstrupine-(Ce) R100205

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Name: Steenstrupine-(Ce)
RRUFF ID: R100205
Ideal Chemistry: Na14Ce6Mn2+2Fe3+2Zr(PO4)7Si12O36(OH)2·3H2O
Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada
Source: Royal Ontario Museum K10061
Owner: RRUFF
Description: Transparent brown blocky crystals on a white sodalite matrix. Our sample is twinned. If we ignored the twin, then we get the reported hexagonal cell of Moore and Shen (1983).
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R100205
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: R100205.9
Sample Description: Single crystal, powder profile is calculated (hexagonal cell a=10.4602(8), c=45.457(5))
Cell Refinement Output: a: 18.130(2)Å    b: 10.4602(8)Å    c: 19.375(2)Å
alpha: 90°    beta: 128.537(4)°    gamma: 90°   Volume: 2874.1(5)Å3    Crystal System: monoclinic
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REFERENCES for Steenstrupine-(Ce)

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]

Lorenzen J (1882) On some minerals from the sodalite-syenite in the Juliane-haab district, south Greenland, Mineralogical Magazine, 5, 49-70   [view file]

Sørensen H (1962) On the occurrence of steenstrupine in the Ilímaussaq massif, Southwest Greenland, Meddelelser om Grønland, 167, 1-251   [view file]

Moore P B, Shen J (1983) Crystal structure of steenstrupine: a rod structure of unusual complexity, Tschermaks Mineralogische und Petrographische Mitteilungen, 31, 47-67

Dunn P J, Grice J D, Fleischer M, Pabst A (1984) New mineral names, American Mineralogist, 69, 210-215   [view file]

Nickel E H, Mandarino J A (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature, American Mineralogist, 72, 1031-1042   [view file]

Karup-Møller S, Rose-Hansen J (2017) Alteration of steenstrupine-(Ce) from the Ilímaussaq alkaline complex, South Greenland, European Journal of Mineralogy, 29, 871-887