Note 1868 — BOOK XXXV. AN ACCOUNT OF PAINTINGS AND COLOURS.
John Bostock translation
Or “rubrica Sinopica;” “red earth of Sinope,” a brown red ochre, or red oxide of iron. Dioscorides identifies it with the Greek μιλτὸς, which indeed seems to have embraced the cinnabaris, minium, and rubricæ of the Romans.