Crystallography Open Database

Information card for entry 9004967

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Structure parameters

Mineral name	Polyphite
Formula	Ca1.4 F2 Fe0.065 Mg0.3 Mn0.68 Na8.74 Nb0.19 O21 P3 Si2 Sr0.03 Ti1.41 Zr0.185
Calculated formula	Ca1.4 F2 Fe0.065 Mg0.3 Mn0.68 Na8.74 Nb0.19 O21 P3 Si2 Sr0.03 Ti1.41 Zr0.185
Title of publication	Polyphite and sobolevite: Revision of their crystal structures
Authors of publication	Sokolova, E.; Hawthorne, F. C.; Khomyakov, A. P.
Journal of publication	The Canadian Mineralogist
Year of publication	2005
Journal volume	43
Pages of publication	1527 - 1544
a	5.3933 Å
b	7.0553 Å
c	26.451 Å
α	95.216°
β	93.49°
γ	90.101°
Cell volume	1000.44 Å³
Number of distinct elements	13
Space group number	2
Hermann-Mauguin space group symbol	P -1
Hall space group symbol	-P 1
Has coordinates	Yes
Has disorder	No
Has F_obs	No

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