C 459 ] 
TABLE V. 
Of Sulphurs and Bitumens . 
SULPHUR. Fetitus. . • 2 -344 
D°. a piece of roll. Hauksbee. . 2.010 
D°. vive. Boyle. . • 2.000 
D°. German, very fine. Boyle. • 1.980 
D°. tranfparent, Perfian. ‘Davies. . 1.950 
Sulphur mineralis. Freind. . . 1.875 
Brimftone, fucli as is commonly fold. 
jf. C. . .1.811 
D°. Cotes. ■ . . 1.800 
Afphaltum. Boyle. III. 243. a. . • 1.400 
Scotch Coal. Boyle. III. 243.^. . . 1.300 
Coal, of Newcaftlc. L. . • 1.270 
D°. Pit, of StafFordfhire. Oxford Soc. 1.240 
Jet. J. C. . . . 1.238 
Do. Davies. . . .1.160 
D°. Davies. . . .1.020 
Succinum citrinum. Davies. . . 1.110 
Id. pingue. J. C. . . 1.087 
3 d. flavum (by 2 experiments). Davies. 1.080 
Id. pellucidum. J. C. . . 1.065 
Id. album, item pingue. Davies. . 1.060 
Amber. Boyle. Newton. C. . 1.040 
Fine Gunpowder. Reynolds. . . 0.698 
Sulphur is in gravity very nearly the fame as Earth, 
fo that its purity can hardly be afeertained by its 
weight, unlefs the matter it is aflbeiated with is of a. 
ftony benfity. 
The 
