Crystallography Open Database

Information card for entry 9005097

Preview

Coordinates	9005097.cif
External links	AMCSD

Structure parameters

Mineral name	Richterite
Formula	Al0.085 Ca0.97 F0.719 Fe0.543 H1.281 K0.777 Mg3.964 Mn0.016 Na1.199 O23.281 Si7.72 Ti0.672
Calculated formula	Al0.0848 Ca0.97 F0.719 Fe0.543 H1.281 K0.7771 Mg3.9635 Mn0.016 Na1.1995 O23.281 Si7.72 Ti0.6722
Title of publication	The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite Sample: R(6) Potassium-fluor-richterite
Authors of publication	Oberti, R.; Ungaretti, L.; Cannillo, E.; Hawthorne, F. C.
Journal of publication	European Journal of Mineralogy
Year of publication	1992
Journal volume	4
Pages of publication	425 - 439
a	9.95 Å
b	18.035 Å
c	5.284 Å
α	90°
β	104.76°
γ	90°
Cell volume	916.915 Å³
Number of distinct elements	12
Space group number	12
Hermann-Mauguin space group symbol	C 1 2/m 1
Hall space group symbol	-C 2y
Has coordinates	Yes
Has disorder	No
Has F_obs	No

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