78 



in cellular masses, and at Yudanamutana enclosing ferric 

 oxide (See also under Malachite). Tate reports it at Kelly's 

 "Well, 30 miles south of Teuuant Creek and in the vicinity 

 of the Peake. Burr mentions the occurrence of common opal 

 of various colours at Flaxman Valley, and of jasp-opal at the 

 Belvidere Eange. 



Hyalite. — This variety has been noted by Prof. Tate as 

 occurring in the Munno Para hills near Smithfield. 



SILICATES {Anhy droits). 

 Pyroxene. 



The occurrence of this mineral is reported at Mount Schank 

 bv Tate, and by Burr at Mount G-ambier, under the name of 

 Augite. The var. Coccolite is also noted by Burr at Mount 

 Gambier. 



AMPniBOLE {Hornblende), 



This species occurs at various localities on Yorke Peninsula, 

 notably at the Wallaroo and Moonta Mines ; also at Tanunda 

 Creek, Angaston, in the district about Eranklin Harbour and 

 at Tungkillo (Tate). 



Vao\ Ashestus is found at ^New Mecklenburg, Tungkillo and 

 Angastou ; at the Lobethal Mine (Tate) and near Menge 

 Town (Selwyn). Burr mentions the following additional 

 localities : — Mount Barker (with chalcedony and silicious tufa) 

 and the Belvidere Bange. 



Actlnolite occurs at AYallaroo Bay, at Yudanamutana Mine 

 (Ulrich), and, according to Burr, at Lyndoch Yalley, Plax- 

 man Yalley and near Stratbalbyn. 



Tremolite at Victoria Creek, AYilliamstown (Selwyn), and 

 Plaxman Valley and Barossa Range (Burr). 



Crocidolite {Blue Ashestus). 



Ulrich states that this species occurs at the "Wirrawilka. 

 Beryl. 



This mineral occurs of various colours — red, blue, green, &c. 

 — at Mount Crawford. The bluish-green variety known as 

 Aquaonarine occurs there also. The Emernld is said to have 

 been discovered by Menge (probably at or near Mount Craw- 

 ford), but so far as 1 am aware none of the specimens of this 

 mineral which have been found up to the present time are of 

 sufficient brilliancy and purity of colour to entitle them to rank 

 as valuable gems. Burr mentions Barossa Range for this 

 species. 



ClIRYSOLTTE. 



The common variety of this mineral — Olivine — occurs, accord- 

 ing to J. E. T. Woods, at Mount Schank and extensively in 



