ChristianAnswers.Net WebBible Encyclopedia   properly the
absence of all color  In Prov. 7:9 the Hebrew word means, as in
the margin of the Revised Version, “the pupil of the eye.” It is
translated “apple” of the eye in Deut. 32:10; Ps. 17:8; Prov.
7:2. It is a different word which is rendered “black” in Lev.
13:31,37; Song of Songs 1:5; 5:11; and Zech. 6:2, 6. It is
uncertain what the “black marble” of Esther 1:6 was which formed
a part of the mosaic pavement.