τούτων γάρ ὄνομα μόνον κοινόν, ὁ δέ κατά τοὔνομα λόγος τῆς οὐσίας ἕτερος → though they have a common name, the definition corresponding with the name differs for each (Aristotle, Categoriae 1a3-4)
haemătītes: ae, m., = αἱματίτης>.
I blood-stone, a kind of red iron-ore, hematite, Plin. 36, 16, 25, §§ 129, 130; 36, 20, 37, § 144.—In apposition: lapis haematites purgat, Cels. 5, 3.—
II A red-colored precious stone, Plin. 37, 10, 60, § 169.