MINER ALOGICAL NOTES — ANDERSON. 



61 



Stanthorpe, Queensland. 

 (Plate xiii., figs. 3, 4.) 



At Stanthorpe, topaz is usually found as waterworn pebbles 

 without crystalline facets, but in the collection of the National 

 Museum, Melbourne, is a fine crystal which was kindly lent for 

 description and is here figured. The specimen, which measures 

 3T x 3 x 2*3 cm., is of a beautiful deep blue colour, and is well 

 and symmetrically developed. The large d faces are striated 

 parallel to their intersection with o ; the dome /' shows mark- 

 ings with a general direction parallel to the plane of the c and b 

 axes ; the lower end is truncated by the basal cleavage. The 

 crystal has a striking resemblance to the large waterworn 

 crystals obtained at Oban, New South Wales. 1 



Pakenham, Victoria. 



(Plate xiii., figs. 5-7.) 



Some small crystals, obtained on loan from the National 

 Museum, Melbourne, are of considerable interest. A crystal of 

 about 4 mm. in greatest diameter is represented in Fig. 5 ; the 



1 Anderson— Rec. Austr. Mus., vi., 2, 1905, p. So, pi. xviii., fig. 2. 



