Crystallography Open Database

Information card for entry 9004712

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Structure parameters

Mineral name	Astrophyllite
Formula	Ca0.22 F0.5 Fe4.028 H8 K1.84 Mg0.388 Mn1.82 Na0.62 Nb0.07 O30 Si8 Ti1.93
Calculated formula	Ca0.22 F0.5 Fe4.028 H4 K1.84 Mg0.388 Mn1.82 Na0.62 Nb0.07 O30 Si8 Ti1.93
Title of publication	Insights into astrophyllite-group minerals II: Crystal chemistry Sample: RUS4, nepheline syenite pegmatite
Authors of publication	Piilonen, P. C.; McDonald, A. M.; Lalonde, A. E.
Journal of publication	The Canadian Mineralogist
Year of publication	2003
Journal volume	41
Pages of publication	27 - 54
a	5.3776 Å
b	11.899 Å
c	11.662 Å
α	113.114°
β	94.63°
γ	103.09°
Cell volume	656.398 Å³
Number of distinct elements	12
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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