[ 448 ] 
The fecond Table is compofed of fubje&s no way 
ftri&ly allied to each other, either by their gravities, 
or their other effential properties $ and perhaps they 
might better, on that account, have been divided into 
different tables. 
1 he bodies themfelves are chiefly of an uncertain 
and heterogeneous nature; being fo far as appears 
compofed of different elements, and thofc alfo com- 
bined in various proportions, fuch as Sulphur and 
Arfenic, joined with Stone, Metal, and the like : 
and from thefe feveral degrees of mixture it muff 
follow, that mod of thefe kinds of bodies, tho fo 
far fmilar as to be called, by the fame names, yet 
muft neceflarily admit of a confderable latitude in 
their fpecjfic gravities. Many ufeful deductions may 
nevertheless be drawn from thofe confderations, 
relating to the comparative goodnefs &c. of fuch 
bodies. 
Cinnabar native appears to be a compound of 
Mercury and Sulphur, with a portion of earthy or 
ftony matter ; and that which is heavieft muft abound 
molt with the Mercury. The different appearances 
which this body, makes, would alfo give us a fu- 
fpicion that there are other varieties in its compo- 
sition, beftdes thofe juft taken notice of: fome forts 
of Cinnabar, fuch as the Hungarian , breaking into 
polifhed planes and fquares like Talc, whiift others, 
like the Perfian of this table, break rough and with 
fhining granule or ?nic<e ; and that without any 
confiderable difference in their gravities. 
By the. factitious Cinnabar it may be determined,, 
what proportion of Mercury will fo incorporate 
with Sulphur, as to make up an uniform body. 
Antimony 
