fome chemical Experiments on I abafheer. 
3 8 3 
N” II. 
Alfo confifted of bits of three forts. 
(a) Some white, nearly opaque. 
m A few fmall very tranfparent particles, fhewing, in an 
eminent degree, the blue and yellow colour, by the different 
dire&ion of light. 
(c) Coarfc, brownilh pieces of a grained texture, 
Thefe ail had exaftly the fame tafte, hardnefs, &c. and 
fhewed the fame efFefts at the blow-pipe, as N° L 
2J or of this Tabafheer thrown into a red-hot crucible, 
burned with a yellowifh white flame, loft 2.9 gr. in weight, 
and became fo fimilar to the Hydrabad kind as not to be diftin- 
guifhed from it. ' 
Some of this Tabafheer put into a crucible, not made very 
hot, emitted a fmell fomething like tobacco afhes, but not the 
kind of perfume difcovered in that from Hydrabad, § IV. (E). 
N° IV. 
All the pieces of this parcel were of one appearance, and a 
rood deal refembled, in their texture, the third variety of N* 
[! Their colour was white ; their hardnefs fuch as very diffi- 
cultly to be broken by preffure between the fingers. In the 
mouth they immediately fell to, a pulpy powder, and had no 
bit expofed on the charcoal to the blow- pipe became 
black, melted like fome vegetable matters, caught flame, and 
burnt to a botryoid inflated coal, which foon entirely confumed 
away, and vanifhed. # . 
A piece put into water fell to a powder. The mixture being 
boiled, this powder diffolved, and turned the whole to a jdly.^ 
