Optical Spectra of Apophyllite, KCa4Si8O20(OH,F)·8H2O
1973
- Platonov AN,
Tarashchan AN (1973) Optical spectroscopy of vanadium in natural
minerals. III. Absorption spectra of vanadium(4+) and vanadium(3+)
complexes. Konstitutsiya i Svoistva Mineralov 7, 75-81. In Russian
1974
- Rossman GR (1974) Optical Spectroscopy of Green Vanadium Apophyllite from Poona, lndia. American Mineralogist 59, 621-622.
1975
- Platonov
AN, Krasil'shchikova OA, Tarashchan AN (1975) Optical absorption of
rare earth ions in minerals. Konstitutsiya i Svoistva Mineralov, 9,
58-64. In Russian