aurum fulminans
Webster's Dictionary (GCIDE)
Fulminate \Ful"mi*nate\, n. [Cf. P. fulminate. See Fulminate, v. i.] (Chem.) (a) A salt of fulminic acid. See under Fulminic. (b) A fulminating powder. [1913 Webster]
Fulminate of gold, an explosive compound of gold; -- called also fulminating gold, and aurum fulminans. [1913 Webster]
Aurum \Au"rum\, n. [L.] Gold. [1913 Webster]
Aurum fulminans (?). See Fulminate.
Aurum mosaicum (?). See Mosaic. [1913 Webster]