“ter, Ricoliok| 2 ae 
melted with “it. 
_sulphur wad one fa Bi 
- tion, 5ss. is thrown on red-hot iron, and. the f 
MPccky 2 
progress. Pearson says, ¢ this inlgices does not 
s frictions with. mer. 
formerly much used in doses of grs. x. to Bs, ae 
an electuary or bolus, in cutaneous ‘gout, rheuma- 
_tism, worms, syphilis; now only used for its ‘vapour, for 
_ which purpose it is supposed not so good, as the 
oxide. This salt is known in commerce by the name of 
- vermilion, and is used as a pigment; giving a fiery, or in- — 
. tense orange-red hue,.to whatever is painted .with it—it- 
. is seldom sold unadulterated; red-lead, dragons-blood, 
and chalk, being commonly mixed | “argo some- 
times called cinnabar i in commerce : 
’ consist of “cinnabar, sulphur, 
sulphate of lime,’ a _ tle vegetable matter, laps 
gum.” 
313.—HyDRARGYRI SUB-SULPI 
: Sub-sulphas Hydrargyr 
sub-sulph cae of Mercury. ns 
1 Dub. Sul, 
Cabinet specimen, Jeff. Coll. No. 357. ; o 
wate theese powder, inodorous, acrid 
BS trituration with mercury, is Pog ove Ss 
2, and is decomposed ¢ > Sempel 
iven off, the metal reduce 
