64 LIST OF MINERALS, 



Reference No. 



144. Kaolinite. — S'dicdte of Alumina . 



Watsonville. 



" St. Patrick," Herberton, 

 Paisley, Muldiva, 



Mount Garnet, and in the granite and porphyry 

 regions throughout area. 



145. Talc. — Silimtc of MiKpirsin. 



Orient and Wheal Vohr Claims, Herberton, Wat- 

 sonville, and Dargalong. 



146. Steatite. 



Good Friday and North Australian at Watsonville. 

 It occurs as a constituent of the copper and tin 

 lodes, and is not uncommon. 



147. Serpentine — Hi/dnm.s Maijnesiiua Silicate. — 



In the decomposed gangue, " lolanthe," Irvine- 

 bank. 



Watsonville. 



Chillagoe. 



Plentiful around Herberton as an altered form of 

 diorite. 



148. FibruHs Serpentine. 



Is found in the " Great Northern," Herberton. 



DIVISION 3.— SECTION 3. 

 Other rock forming minerals. 



149. Limestone. — 



Occurs in large deposits in many parts of the 

 district, principally in the vicinity of Mount 

 Garnet and throughout Chillagoe. 



150. Calcite — Carbonate of Lime. 



Plentiful all over the limestone region, some of 

 the localities being Muldiva, Newellton, Mun- 

 garra, Koorboora. In the two last mentioned 

 places the whole mass of limestone where in 

 contact with the granite is converted into 

 magnificent rhombs of this mineral, often 

 showing a remarkable crypto — cleavage 

 structure. 



