The descriptive note comes from item 3754 in :
Diamond, Harold J.
An annotated guide to the literature
New York: Schirmer Books, 1991, 716 p.
This is what Harold J. Diamond had to say:
Brief examination of the philosophy behind Scriabin's vision, the relationship between music and color in this work, and the "mystic chord" as its harmonic foundation.
© Harold J. Diamond
(c) 2019. Frank Greene. All rights reserved.