I -obferve that ^'^'^"^ nf the Sands were like each other. 
I vievi^'d the ^ . .^ni. with great atteotioa feverahimes^ 
imagining tlm by IbTiie Earthquake- or other it might be 
thrown up fix- place where it had lain in reft, to 
the (uperfick s i.m Earth ^ - and many grains, as I fan- 
cy 'd^ had'preftrr'd their original- fhape and figure, f©r 
they had . received little or no damage, eipecially the 
finall onts^ ^ ^o m ny of thofe had fbch points and fides, 
that no Diamoudj tho polifht by able Workmen^ could 
equd tke beauty cf it. 
I infus'd fome of this Sand into Aquafortis, to try whe- 
ther it would diffolve them, or deprive them of their 
fhining quality, and tho it lay in the faid Water (everal 
days, ■ I could not perceive any alteration in it. 
.-Moreover, I tried -the faid Sand with fo brisk, a Fire as . 
was capable of melting Silver, and yet it did not afFeft 
either its Figure or Glance» 
• Thefe Particles of Sand being exceedingimall^ and not 
unlike what we call white fcowering Sand 3 I thought it 
worth the while to Defign Ibme of tliem. 
, Fig. I. Tab, i. A B CDEF reprefetits an hexaogobr 
^rainofSand that wasas bright and fhining as any poUlht 
Metal, and the triangular Figures which appeared upon it 
were as bright 2ts the reft of the body, which occafion'd 
a very agreeable fpeftacle, and coold not be contemplated 
without aftonifb meet. 
I plac'd another grain of Sand bfcfore one of myGhSm^ 
lefs than the former, but it was flat, and In ray opioioov 
a^t the i6th part fo big as a courfe grain chofeo out ol 
our common white Sand. 
il This was^ a fiirpriziog Figurej and the'firft' perfoos that 
fa^W it were" 3 Painter5,| - who were filled with wonder' in 
viewing it, and ' one . of them, who was 001 the leaft a- 
mong them, offered his fet vice to draw the figure o£ 
fqch a wonderful Sand, and another defired him to let 
to take ;a Copy of the ftmfe,'that he might other 
-.1 . curiom 
