Crystallography Open Database

Information card for entry 9005527

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Structure parameters

Mineral name	Phengite-2M1
Formula	Al1.97 Fe0.24 H2 K0.99 Mg0.33 Na0.02 O12 Si3.45 Ti0.04
Calculated formula	Al1.97 Fe0.24 H2 K0.99 Mg0.33 Na0.02 O12 Si3.45 Ti0.04
Title of publication	Coexisting 3T and 2M_1 polytypes of phengite from Cima Pal (Val Savenca, western Alps): Chemical and polytypic zoning and structural characterisation Sample: 2M1G Locality: Cima Pal, Val Savenca, western Alps
Authors of publication	Ivaldi, G.; Ferraris, G.; Curetti, N.; Compagnoni, R.
Journal of publication	European Journal of Mineralogy
Year of publication	2001
Journal volume	13
Pages of publication	1025 - 1034
a	5.225 Å
b	9.057 Å
c	19.956 Å
α	90°
β	95.73°
γ	90°
Cell volume	939.656 Å³
Number of distinct elements	9
Space group number	15
Hermann-Mauguin space group symbol	C 1 2/c 1
Hall space group symbol	-C 2yc
Has coordinates	Yes
Has disorder	No
Has F_obs	No

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