M I N E R A I- O G Y. 
SECT. CCXXXV. 
With fulphur and arfenic, Antimmium 
ripgmento mineralifatum. Red antimony 
©re, Antimonlum folare. 
This is of a red colour, and has the 
fame texture with the preceding, though 
its fibres are not fo coarfe. 
a. With fmall fibres. 
h. With abrupt broken fibres, frorn'Braunt 
dorff in Saxony, and from Hungary. 
All antimonial ores are fomewhat ar- 
fenical, but this is more fo than the pre- 
ceding kinds. 
SECT. CCXXXVI. 
C. With fulphurated filyer, Plumofe filver ore. 
Sed. clxxiii. 
D, With fulphurated filver, copper and arfenic. 
Sed. clxxiv. 
£. With fulphurated lead. Sed. cx-c. 
SECT. -CCXXXVII. 
Observations on Antimony. 
By the name of Antimony is commonly under-^ 
ftood the crude antimony, (which is compounded 
of the metallic part and fulphur) as it is melted 
out of the ore (Sed. ccxxxiv.) •, and by the name 
of Regulus, the pure femi-metal*, although this 
lafl: begins now to be. better diilinguillied from the 
other metals. 
The alchemifls have very much employed anti- 
mony in their experiments | fome of them chiefly 
OH' 
