2. Discovered in Aethiopia the stone which was named after him Obsidianus (Plin. Nat. 36.26.67).
The name Obsidius Rufus occurs in inscriptions, but is not mentioned elsewhere.
William Smith. A Dictionary of Greek and Roman biography and mythology. London. John Murray: printed by Spottiswoode and Co., New-Street Square and Parliament Street. In the article on Soranus, we find: "at this present time (1848)" and this date seems to reflect the dates of works cited. 1873 - probably the printing date.