Lewis Short
asbestŏs (noun M) = ἄσβεστος: (sc. lapis), = (incombustible)
* A stone of an iron-gray color, found in Arcadia, differing from the common asbestos, perh. amiantus, Plin. 37, 10, 54, § 146.
Charlton T. Lewis, Charles Short, A Latin Dictionary