I ^o- Ppfom Salt. 
wards Into very pellucid and beautiful Ra¬ 
mifications, as d d . Some Figures owing 
their Form to common Salt, like that fhewn 
at e, are ufually the Fore-runners of another 
Kind of Configuration arifing from the 
fame Principle, which fhoots pretty fud- 
denly, and appears not much unlike the 
Covert Way and the Glacis or outward 
Slope of a fortified Place, vid. ff. 
This Salt was bought at the fame Place 
as the foregoing, and with the fame Affu? 
ranee of its being genuine. When kept a 
little while it crumbled into a white C a l x °r 
Powder, though it was at firfl: in very fair 
Cryfials. 
i ' y • j . * i 
CHAP. XXVI, 
Epsom Salt. 
A Drop of the Solution of this Salt be- 
\ gins to (hoot from the Edge in jagged 
Figures like thofe fhewn at a , Plate V. From, 
other Parts of the Edge different Configura¬ 
tions extend themfelves towards the Middle^ 
feme whereof have fine Lines proceeding 
from both Sides of a main Stem, in an oblique 
Direction, thofe on one Side fhooting upwards 
.in an Angle of about 60 Degrees, and thofe 
on the other downwards in the fame Obli¬ 
quity, as at c and f. Others produce Jaggs 
frpm 
