416 Experiments on the Combinations of 
limpid, highly volatile fluid, a non-conductor of electricity, 
and of high specific gravity, and which when decomposed 
by water, gave oxide of arsenic and muriatic acid. That . 
from antimony, was butter of antimony, an easily fusible 
and volatile solid, of the colour of horn-silver, of great den- 
sity, crystallizing on cooling in hexahedral plates, and giv- 
ing, by its decomposition by water, white oxide. 
The product from tellurium, in its sensible qualities, . re- 
sembled that from antimony, and gave when acted on by 
water white oxide. 
The product from mercury was corrosive sublimate. That 
from zine was similar in colour to that from antimony, but 
was much less volatile. 
- The combination of oxymuriatic gas and iron was of a 
bright brown; but having a lustre approaching to the me- 
tallic, and was iridescent like the Elba iron ore. It vola- 
tilized at a moderate heat, filling ‘the vessel with beautiful 
minute crystals of extraordinary splendour, and collecting 
in brilliant plates, the form of which I could not determine, 
When acted on by water, it gave red muriate of iron. 
Copper formed a bright red brown substance, fusible at a 
heat below redness, and becoming crystalline and semi- 
transparent on cooling, and which gave a green fluid, and 
a green precipitate by the action of water*. _ 
The substance from manganese was not volatile at a dull 
‘red heat; it was of a deep brown colour, and by the action 
of water became of a brigbter brown: a muriate of man- 
ganese, which did not redden litmus, remained in solution ; 
and an insoluble matter remained of a chocolate colour. 
Tungsten afforded a deep orange sublimate, which, when 
decomposed by water, afforded niuriatic acid, and the yel- 
low oxide of tungsten. . 
Tin afforded Libavius’s liquor, which gave a muriate by 
, 
* It is worth inquiry, whether the precipitate from oxymuriate of copper 
by water is not « hydrated submuriate, analogous in its contposition to the 
crystallized murjaté of Peru. This last | find affords muriatic acid and water 
by heat. ; . ; 
‘The resin of copper discovered by Boyle, formed by heating copper with 
Forrosive sublimate, probably contains only one’ proportion of oxymuriatic 
gas, whilst th 4 
+ When muriate ofim 
@eid, a netitral combination is 
at abuve referred to must contaia two. : E bey 
anese is made by solution of its oxide in muriatic 
ied, but this 4s decomposed by heat; 
muriatic gas flies off, and brown oxide of manganese remains, Jn this re- 
Specl manganese uppears as a link between the ancient metals and thenewly 
Hscovered ones. Its muriate is decomposed like that of magnesia; and its 
bis the only one amongst those long known, 2 3 my experiments 
gone, which neutralizes tl: energy of mt acid gas, so'as to 
it in solution trom affecti 19° vegetabl 
: the 
