Note 2829 — BOOK XXXVI. THE NATURAL HISTORY OF STONES. (continued 2)
John Bostock translation
“Magnes lapis.” See B. xxxiv. c. 42, and Chapter 25 of this Book. Beckmann is of opinion that an ore of Manganese is meant, a substance which has a resemblance to the magnet, and is of the greatest utility in making glass. Hist. Inv. Vol. II. p. 237.