Optical Spectra of Andalusite, Al₂SiO₅

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• Rondeau B, Chamard-Bois S, Fritsch E, Notari F (2018) Unique, reverse dichromatism in andalusite related to total pleochroism of the Fe²⁺-Ti⁴⁺ IVCT. Geophysical Research Abstracts 20, EGU2018-8807.
• Rondeau B, Chamard-Bois S, Fritsch E, Notari F, Chauviré B (2018) Reverse dichromatism in gem andalusite related to total pleochroism of the Fe²⁺-Ti⁴⁺ IVCT. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 204, 611–619.

• Evans HV, Rossman GR (2024) Intervalence charge transfer in aluminum oxide and aluminosilicate minerals at elevated temperatures. American Mineralogist, 109, 2152–2161.

• Abs-Wurmbach I, Langer K, Tillmanns E (1977) Structure and polarized absorption spectra of Mn³⁺-substituted andalusites (viridines). Naturwissenschaften 64, 527-528. 
• Smith G, Hålenius U, Langer K (1982) Low temperature spectral studies of Mn³⁺-bearing andalusite and epidote type minerals in the range 30000-5000 cm-1. Physics and Chemistry of Minerals 8, 136-14