[ 2? S ] 
call in therefore the Afliftance of fome other Prin- 
ciple, to account for the re&ilineal regular Phacno- 
mena of thefe fparry Productions. 
As the general Appearance of our Cornifh Spars is 
hexagonal and uniform, there mult be fome one ge- 
neral Principle to which this great Uniformity is to be 
referred. If thefe Spars owed their Form to any 
metallic Principle, that Metal would be found, 
when the Fluor was thrown off by Fire : But the 
contrary is apparent, the cleared: Spars yielding no 
Metal. And, indeed, it may here be obferved, that 
when the (tony juice meets and coalefces with any 
metallic Particles, that Juice fhoots not into its na- 
tural Form, but by Tin is forced into Prifms, and va- 
rious Speculum s ; by Lead, into Cubes; and by other 
Metals into other Forms: So that it never retains its 
hexagonal Shape, but when free of Metals. As 
therefore there is no Metal in our regularly-figur’d 
Spars, we mud have recourfe to another Origination ; 
and Salt, as I take it, is mod likely to be that aftive 
Principle, by whofe Force the Fluid in which it is 
mix'd, be it pure Water, or lapideous Juice, is made 
to fhoot forth into regular redilineal Malles, agree- 
able to the original Shape and Figuration in which 
thefe Salts were fir ft created. 'Tis by the Force of 
Salts that liquid Bodies are thrown into all the geo- 
metrical Planes, Angles, and more compounded 
Shapes, the Variety of which is no ltfs furprifing, 
than the Conllancy and Uniformity of each particu- 
lar Species ; the fame Salt fhooting hill into the fame 
Figure (as is plain from all artificial Cryftallizations), 
when not (heightened in Room, or otherwife deter- 
mined by heterogeneous Mixtures. To produce Salt 
L 1 from 
