46 thoughts on ■Configurations -and Qr'yjlaU. 
•and feem rooted to the very Extremity of 
the Drop.The detached Cryftals that 
appear forming within the fame come next 
under Examination : and thefe, from their* 
very hr ft becoming difcernable, being en- 
eompaffed on every Side by a Fluid re¬ 
plete with faline Particles, -(which, fwim* 
ming at Liberty, are attracted or repelled 
from every Quarter, till the Points of greateft 
mutual Attraction meeting in ContaCt, corn^ 
bine according to their refpeCtive Figures •f*:) 
Thefe, I fay, have all their Sides itioft com-' 
monly regular and compleat, with inch. 
Number and Difpofition of polifh’d Planes 
and Angles' as fully diftinguiih from what 
Salt they are derived.—Thefe are the Crys¬ 
tals that were before mentioned to retain 
their Figure however their Size enlarges i 
They, and they alone, are properly to be 
termed the Cryftals of fuch Salt, and many 
of them in Elegance -of Form and native 
Luftre excel the Workmanship of the moft 
expert Jeweller. Thefe are intended to 
be reprefented in the Alum Solution at J) 
and in that of Ens Veneris at b b. They 
are alfo {hewn again by them helves, and in 
a larger Size, under thofe and feme of the 
other Drawings. 
+ All foffil Cryftals, Gems, and other Bodies thatlravig 
regular Planes and Angles, without an Appearance of being 
broke off from any Root or Stem, are probably formed in 
the fame Manner,' - '•* 
After 
