Hettmann K, Wenzel T, Marks M, Markl G (2012). "The sulfur speciation in S-bearing minerals: New constraints by a combination of electron microprobe analysis and DFT calculations with special reference to sodalite-group minerals". American Mineralogist. 97 (10): 1653–1661. Bibcode:2012AmMin..97.1653H. doi:10.2138/am.2012.4031. S2CID54921328.
Hettmann K, Wenzel T, Marks M, Markl G (2012). "The sulfur speciation in S-bearing minerals: New constraints by a combination of electron microprobe analysis and DFT calculations with special reference to sodalite-group minerals". American Mineralogist. 97 (10): 1653–1661. Bibcode:2012AmMin..97.1653H. doi:10.2138/am.2012.4031. S2CID54921328.
Tauson VL, Sapozhnikov AN (2003). "On the nature of lazurite coloring"(PDF). Zapiski Vserossijskogo Mineralogicheskogo Obshchestva (in Russian). 132 (5): 102–107.
Hettmann K, Wenzel T, Marks M, Markl G (2012). "The sulfur speciation in S-bearing minerals: New constraints by a combination of electron microprobe analysis and DFT calculations with special reference to sodalite-group minerals". American Mineralogist. 97 (10): 1653–1661. Bibcode:2012AmMin..97.1653H. doi:10.2138/am.2012.4031. S2CID54921328.
vam.ac.uk
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"Tile fragment". Victoria and Albert Museum. Retrieved 11 January 2020.
Krivovichev V. G. Mineralogical glossary. Scientific editor A. G. Bulakh. — St.Petersburg: St.Petersburg Univ. Publ. House. 2009. — 556 p. — ISBN 978-5-288-04863-0. (in Russian)