Tadzhikite-(Ce) R060641

Name: Tadzhikite-(Ce)
RRUFF ID: R060641
Ideal Chemistry: Ca4Ce2Ti   (B4Si4O22)(OH)2
Locality: Dara-i-Pioz Glacier, Alayskiy (Alai) Range, Tien Shan Mountains, Tajikistan
Source: Michael Scott S100826 [view label]
Owner: RRUFF
Description: Grayish brown colored grains
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Hellandite (2) ]
RRUFF ID: R060641.2
Sample Description: Microprobe Fragment
Sample Description: Unoriented sample

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RRUFF ID: R060641.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 19.034(7)Å    b: 4.725(2)Å    c: 10.312(5)Å
alpha: 90°    beta: 111.46(2)°    gamma: 90°   Volume: 863.1(5)Å3    Crystal System: monoclinic
  File Type Information Close
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 Tadzhikite-(Ce)

American Mineralogist Crystal Structure Database Record: [view record]

Efimov A F, Dusmatov V D, Alkhazov V Y, Pudovkina Z G, Kazakova M Y (1970) Tadzhikite, a new borosilicate of the rare earths of the hellandite group, Doklady Akademii Nauk SSSR, 195, 1190-1193   [view file]

Fleischer M (1971) New mineral names, American Mineralogist, 56, 1838-1840   [view file]

Chernitsova N M, Pudovkina Z V, Pyatenko Y A (1982) About the crystal structure of tadzhikite {(Ca,Tr)4(Y,Tr)2(Ti,Fe,Al)(O,OH)2[Si4B4O22]}, Soviet Physics - Doklady, 27, 367-368

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]

Hawthorne F C, Cooper M A, Taylor M C (1998) Refinement of the crystal structure of tadzhikite, The Canadian Mineralogist, 36, 817-822   [view file]

Oberti R, Ventura G D, Ottolini L, Hawthorne F C, Bonazzi P (2002) Re-definition, nomenclature, and crystal-chemistry of the hellandite group, American Mineralogist, 87, 745-752   [view file]

Grice J D, Ferraris G (2003) New minerals approved in 2002 and nomenclature modifications approved in 1998-2002 by the Commission on the New Minerals and Mineral Names, International Mineralogical Association, The Canadian Mineralogist, 41, 795-802   [view file]