214 NEW SOUTH WALES MINERALS, 
Analysis. 
aemeervs » moisture ... 322 
Car =e ae as 1-982 
Silica asf tsa ae v5 . 34164 
Alumina ... ask its me =a 3°251 
Tron sesquioxide ... se i «oy 20435 
»» protoxide ... ? ee 931 
Manganese protoxide “553 
Lime ey ast we ue ..  28°508 
Magnesia ... ae “= me ... absent 
Potash... = a ike vii “341 
Soda os a Me a i “186 
Loss < ae oe AS ae "532 
100-000 
ATACAMITE. 
Crystallized in radiated groups of small acicular crystals. Dark 
Siberia colour, vitreous lustre, apple-green streak, translucent 
New South Wales ; but exact locality unknown. 
Analysis. 
Water lost at 105° ae vad as 536 
: om emmy direct... ape av. 18956 
Copper o di er 
Copper cl hori ide sai > 1328 
Silica and insoluble matter vou ee 
100°017 
BIsMUTHITE. 
Hydrated carbonate of bismuth, in the form of dull iM 
or white earthy-looking rolled fragments—usu usually about 
size of a pea, but sometimes larger pieces are fo ai 
with a dull earthy fracture. Found with the stream oe 
most parts of the New England tin district. From Ponds 
Hardness = 3 to 4. 
ne 
Silica .. _4°695 
Bismuth trioxide (Bi,O,)... 76-061 
umina a es of iron sesquioxide... 1-983 
Carbine aci eh . ae 
wos he 
Water, age difference 
_— 
a 
vecimen is more or 
ia above ny not agree with the — formula gi 4 
the “hho of the silica, alumina, : : 
