Raman Open Database

Information card for entry 1000650

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Structure parameters

Mineral name	Asisite
Formula	Cl O4 Pb3.5 Si0.5
Title of publication	Pb-Si ordering in sheet-oxychloride minerals: the super-structure of asisite, nominally Pb7SiO8Cl2 Locality: Kombat mine, Namibia
Authors of publication	Welch, M. D.
Journal of publication	Mineralogical Magazine
Year of publication	2004
Journal volume	68
Pages of publication	247 - 254
a	3.8932 Å
b	3.8932 Å
c	22.803 Å
α	90°
β	90°
γ	90°
Cell volume	345.625 Å³
Number of distinct elements	4
Hermann-Mauguin space group symbol	I 4/m m m
Hall space group symbol	-I 4 2
Excitation wavelength	780 nm
Measurement resolution	4 cm^-1
Polarization direction	unoriented
Power on sample	12 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
1239 (current)	2018-06-07	cif/ Adding structures of 1000650 via cif-deposit CGI script.	1000650.rod