The Collaborative International Dictionary
Spaad
Spaad \Spaad\, n. [Cf. G. spath spar. See Spar the mineral.]
(Min.)
A kind of spar; earth flax, or amianthus. [Obs.]
--oodward.
Wiktionary
spaad
n. (context mineralogy obsolete English) A kind of spar; earth flax, or amianthus.