Crystallography Open Database

Information card for entry 9001239

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Coordinates	9001239.cif
External links	AMCSD

Structure parameters

Mineral name	Cummingtonite
Formula	Ca0.24 H2 Mg4.514 Mn2.246 O24 Si8
Calculated formula	Ca0.24 H2 Mg4.514 Mn2.246 O24 Si8
Title of publication	Mn-Mg distribution in a C2/m manganoan cummingtonite: Crystal-chemical considerations
Authors of publication	Ghose, S.; Yang, H.
Journal of publication	American Mineralogist
Year of publication	1989
Journal volume	74
Pages of publication	1091 - 1096
a	9.6045 Å
b	18.1244 Å
c	5.3251 Å
α	90°
β	102.642°
γ	90°
Cell volume	904.498 Å³
Number of distinct elements	6
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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