Raman Open Database

Information card for entry 1000635

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Structure parameters

Mineral name	Esperite
Formula	Ca2 O12 Pb Si3 Zn3
Title of publication	The crystal structure of esperite, with a revised chemical formula, PbCa2(ZnSiO4)3, isostructural with beryllonite
Authors of publication	Tait, K. T.; Yang, H.; Downs, R. T.; Li, C.; Pinch, W. W.
Journal of publication	American Mineralogist
Year of publication	2010
Journal volume	95
Pages of publication	699 - 705
a	8.7889 Å
b	8.2685 Å
c	15.2535 Å
α	90°
β	90.05°
γ	90°
Cell volume	1108.49 Å³
Number of distinct elements	5
Hermann-Mauguin space group symbol	P 1 21/n 1
Hall space group symbol	-P 2yn
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
1223 (current)	2018-06-07	cif/ Adding structures of 1000635 via cif-deposit CGI script.	1000635.rod