and Minerals, so far as Chymists have been hitherto able to examine
their Composition.

When Mercury sublimate is re-sublimed with fresh Mercury, and becomes
_Mercurius Dulcis_, which is a white tasteless Earth scarce dissolvable
in Water, and _Mercurius Dulcis_ re-sublimed with Spirit of Salt returns
into Mercury sublimate; and when Metals corroded with a little acid turn