Crystallography Open Database

Information card for entry 9001733

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Coordinates	9001733.cif
External links	AMCSD

Structure parameters

Mineral name	Cummingtonite
Formula	Fe2.559 Mg4.441 O24 Si8
Calculated formula	Fe2.559 Mg4.441 O24 Si8
Title of publication	Crystal structure of a P2_1/m ferromagnesian cummingtonite at 140 K T = 295 K
Authors of publication	Yang, H.; Smyth, J. R.
Journal of publication	American Mineralogist
Year of publication	1996
Journal volume	81
Pages of publication	363 - 368
a	9.502 Å
b	18.126 Å
c	5.309 Å
α	90°
β	102.07°
γ	90°
Cell volume	894.172 Å³
Ambient diffraction temperature	295 K
Number of distinct elements	4
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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