Note 2933 — BOOK XXXVII. THE NATURAL HISTORY OF PRECIOUS STONES.
John Bostock translation
Meaning that they are semitransparent, Ajasson thinks. One great characteristic of Fluor spar is its being subtranslucent.
John Bostock translation
Meaning that they are semitransparent, Ajasson thinks. One great characteristic of Fluor spar is its being subtranslucent.