Raman Open Database

Information card for entry 1000305

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Structure parameters

Mineral name	Perhamite
Formula	Al7.7 Ca2.7 H12.68 O45.862 P4 Si3 Sr0.3
Title of publication	The crystal structure of perhamite Note: H positions unknown Locality: Emmons mine, Greenwood, Maine
Authors of publication	Mills, S.; Mumme, G.; Grey, I.; Bordet, P.
Journal of publication	Mineralogical Magazine
Year of publication	2006
Journal volume	70
Pages of publication	201 - 209
a	7.021 Å
b	7.021 Å
c	20.218 Å
α	90°
β	90°
γ	120°
Cell volume	863.111 Å³
Number of distinct elements	7
Hermann-Mauguin space group symbol	P -3 m 1
Hall space group symbol	-P 3 2"
Excitation wavelength	532 nm
Measurement resolution	4 cm^-1
Polarization direction	unoriented
Power on sample	15 mW
Spot size of the device	1 μm
Company of the measurement device	Thermo Scientific
Model of the measurement device	Nicolet Almega XR
Has coordinates	No
Has disorder	No
Has F_obs	No

Version history

Revision	Date	Message	Files
815 (current)	2018-05-24	cif/ Adding structures of 1000305 via cif-deposit CGI script.	1000305.rod