Note 3196 — BOOK XXXVII. THE NATURAL HISTORY OF PRECIOUS STONES. (continued 2)
John Bostock translation
“Planet-stricken.” It is not improbable that this was Cat’s-eye, a translucent Chalcedony, presenting a peculiar opalescence, or internal reflections, when cut en cabochon. The colour is either bright-greenish grey, or else yellow, red, or brownish.