Of Antimony, Mercury y &c. Part III. 
CHAP. III. 
OfANTIMONT, MERCVRT, and other 
MET ALLICK BODIES. 
STYRIATED ANTIMONY, from the Gold Mines of 
Chremnitz. Given by Dr. E. Brown. The Styridt, in. 
this, are very fair, many of them as thick as in that which 
is factitious. 
STYRIATED ANTIMONY, alfo Native, from Corn- 
wall; called ROSCARROCKS. A Congeries of ftrait, 
long, (lender, and edged Styria, of a bright Steel-colour, 
almoft like a clufter of fmall broken Needles. Aldrovandus 
(a) Muf. (a) hath a fort of native Antimony, which Ambrofinus calls 
Met - P/umofum. 
GRAINED ANTIMONY , or rather Antimonial Ore, 
from Hungary. Given by Mr. Oldenburge. It looks like 
black grained Silver Ore. Immerfed in a Stone, although 
of a fcurvy opacous and fandy colour, yet fo hard as to cut 
Glafs. 
ANTIMONIAL ORE from Tranfylvania. Given by 
Dr. E. Brown. It grows in a foft Bed, alrnoft like Lead 
Ore. 
ANTIMONIAL ORE , holding Iron, from Cornwall. 
Almoft of the colour of Amber : yet with a Grain fomewhat 
gloffy and very crofs. 
A Metallick (probably an ANTIMONIAL) Comijh 
Stone, black, hard, and ponderous, It confifteth of a great 
many Clufters of fhort gloffy Styrix, radiated almoft as in 
the Belemnites. But becaufe irregularly broken and heaped 
together, but difficulty obfervd. 
Antimony is of excellent ufe for the Refining of Gold : 
fee an accurate Procefs, communicated by Dr. Jonathan 
Godard, and by Me publifhcd in the Philofph. Transactions. 
(b) Nam, (b) An * th part in proportion to the Copper, is by fome add- 
ed with the Tin , for the beft Metallick. Speculums.. 
Founders add a little to their Bell-Metal, to make it more 
fonorous. And fo Pewterers, to their Pewter, to make it 
found more clear like Silver. Tis alfo ufed in the cafting 
of Iron Bullets, to make the Metal run the better, Jhe 
Spanijb 
