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Tadzhikite-(Y)

A synonym of Tadzhikite-(Ce)
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Formula:
(Ca,Ce)4(Ce,Y)2(Ti4+,Fe3+,Al)[B4Si4O22](OH)2
Lustre:
Vitreous
Hardness:
6
Crystal System:
Monoclinic
Name:
Named after its discovery locality.
Synonym:
A synonym of Tadzhikite-(Ce)
Misnomer for tadzhikite-(Ce), since Ce is the dominant REE, not Y (Oberti et al., 2002).

Originally reported from Dara-i-Pioz Glacier, Alayskiy (Alai) Range, Tien Shan Mts, Region of Republican Subordination, Tajikistan.


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Unique IdentifiersHide

Mindat ID:
7324 (as Tadzhikite-(Y))
3866 (as Tadzhikite-(Ce))
Long-form identifier:
mindat:1:1:7324:6 (as Tadzhikite-(Y))
mindat:1:1:3866:5 (as Tadzhikite-(Ce))

Internet Links for Tadzhikite-(Y)Hide

References for Tadzhikite-(Y)Hide

Reference List:
Doklady Akademii Nauk SSSR, Earth Science Sections: 195: 136-139.
Efimov, Dusmatov, Alkhazov, Pudovkina, Kazakova (1970) Doklady Akademii Nauk SSSR: 195: 1190-1193.
Transactions (Doklady) of the USSR Academy of Sciences, Earth Science Sections (1970): 195: 136.
American Mineralogist (1971): 56: 1838.
Soviet Physics, Doklady (1982): 27: 367.
Nickel, Ernest H., Mandarino, Joseph A. (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature. American Mineralogist, 72 (9-10) 1031-1042
Hawthorne, F.C., Cooper, M.A., Taylor, M.C. (1998) Refinement of the crystal structure of tadzhikite. The Canadian Mineralogist: 36: 817-822.
Reguir, Ekaterina P., Chakhmouradian, Anton R., Evdokimov, Mikhail D. (1999) The mineralogy of a unique baratovite- and miserite-bearing quartz-albite-aegirine rock from the Dara-i-Pioz Complex, northern Tajikistan. The Canadian Mineralogist, 37 (6) 1369-1384
Oberti, Roberta, Ottolini, Luisa, Camara, Fernando, Della Ventura, Giancarlo (1999) Crystal structure of non-metamict Th-rich hellandite-(Ce) from Latium (Italy) and crystal chemistry of the hellandite-group minerals. American Mineralogist, 84 (5) 913-921 doi:10.2138/am-1999-5-626
Oberti, Roberta, Ventura, Giancarlo Della, Ottolini, Luisa, Hawthorne, Frank C., Bonazzi, Paola (2002) Re-definition, nomenclature and crystal-chemistry of the hellandite group. American Mineralogist, 87 (5) 745-752 doi:10.2138/am-2002-5-618
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