aay 
NEW SOUTH WALES MINERALS, 215 
CACHOLONG. 
A specimen of opaque porcelain white cacholong — into 
white opal. ‘id ne to the tongue. Hardness 5-6. 
From oe Tumut Riv 
Sp. gr. = 1°884. 
Analysis. 
Water lost at 105°C... st eo aoe 
i it ses OSS 
Silica 88-811 
Alemninis and traces of iron n sesquioxide... 1-206 
e ie . 1134 
Magnesia ve ve ats eit “485 
Loss ... 626 
100°000 
The loss is probably eerie A a to the difficulty of driving off 
the whole of the combined w: 
CHLOROPAL. 
Found in veins in the basalt at Two-mile Flat, near Mudgee. 
= eb pistachio- -green colour—earthy, somewhat fibrous in parts 
powder. Emits an argillace ous odeer when breathed upon. 
Before the blowpipe blackens, does not fuse, becomes magnetic. 
ene eohlorie acid is decomposed, silica being left. Does not 
a = 
Analysis. 
Water lost at xs Op oct ie Ae eee 
>> bin : oe ee a §°224 
Silica re ‘ii re) ... 49°657 
Tron sesquioxide ae ie dt ye {29108 
Manganese es of wet ... traces 
esia cou a oat f 
Soda, 5 
Potash 170 
100°185 
Copper. 
Diffused grains of metallic copper occur in a dark grey porphy- 
~ phonolite near Kiama. 
CHRYSOCOLLA. 
massive specimen, of a bluish-green colour—much darker 
oti than within. Breaks with a somewhat splintery and 
— — Fracture, Brought from rome as a specimen of jasper. 
= 4. Sp. gr. 2°37 to 2-4 
