20. sardonyx--a gem having the redness of the cornelian, and the
whiteness of the onyx.
sardius--(See on
Re 4:3).
chrysolite--described by PLINY as
transparent and of a golden brightness, like our topaz: different from
our pale green crystallized chrysolite.
beryl--of a sea-green color.
topaz--PLINY [37.32], makes it green
and transparent, like our chrysolite.
chrysoprasus--somewhat pale, and having the purple color of the
amethyst [PLINY, 37, 20, 21].
jacinth--The flashing violet brightness in the amethyst is
diluted in the jacinth [PLINY, 37.41].
JFB.
Picture Study Bible