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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) ] |
CHEMISTRY | ||||||
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RAMAN SPECTRUM | ||||||||||||
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POWDER DIFFRACTION | |||||||
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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 |
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REFERENCES for Tadzhikite-(Ce) | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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Fleischer M (1971) New mineral names, American Mineralogist, 56, 1838-1840 [view file] |
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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 |
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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] |
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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] |
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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] |
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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] |
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