Raman Open Database

Information card for entry 2100005

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Structure parameters

Mineral name	Brassite
Formula	As H9 Mg O8
Title of publication	Structure cristalline de la brassite, MgHAsO4*4H2O, produit de deshydratation de la roesslerite Locality: synthetic
Authors of publication	Protas, J.; Gindt, R.
Journal of publication	Acta Crystallographica, Section B
Year of publication	1976
Journal volume	32
Pages of publication	1460 - 1466
a	7.472 Å
b	10.891 Å
c	16.585 Å
α	90°
β	90°
γ	90°
Cell volume	1349.65 Å³
Number of distinct elements	4
Hermann-Mauguin space group symbol	P b c a
Hall space group symbol	-P 2ac 2ab
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
470 (current)	2018-04-26	cif/ Adding structures of 2100005 via cif-deposit CGI script.	2100005.rod