MINERALS OF SOUTH AUSTRALIA. 219 
Barite ! !—Wheal Coglin Mine, Rapid Bay, at Apoinga, also at 
the Burra Burra, Great Gladstone, and Rhondda 
Mines (T. C.C.); Emu Flat Copper Mine (A. R. C. 
Selwyn) ; Blinman Mine (G. H. F. Ulrich): of frequent 
occurrence, associated with copper ores, in the northern 
and ceutral portions of South Australia (Cloud). 
Beryt !— Mount Crawford, various colours (T. C. C.). 
Aguamarine— Mount Crawford (T. C. C.). 
Beryl—Barossa Range (Burr). 
Biotire (Mica) !—Of frequent occurrence in the mines on 
Yorke’s Peninsula (T.C.C.) ; Williamstown (Selwyn). 
Analysis of specimen from Yelta Mine by T.C. C. 
Silica ... oi ah 40:28 
Magnesia J. we 17°38 
Alumina aa ye 11°30 
Ferric oxide LEE Hh 5:24 
Ferrous oxide... sd. 11°65 
Manganous oxide a 0°30 
Thies 2 ey ed 0°82 
Potash es age 8°56 
Soda =. Be ce 1:64 
Water’... 44 £83, 1-95 
Fluorine od: oF trace 
99-12 
Specific gravity, 2-9; colour, dark greenish black. 
BismutH ! (Narive)—Balhannah Mine, Murninnie Mine, about 
20 miles north of Franklin Harbour (T. C. C.). 
Bismuruire !—Balhannah Mine, associated with native gold 
and chalcopyrite (T.C.C.); Stanley Mine (Ulrich) ; 
New Era Mine, with gold (Brown); Teetulpa Gold- 
field, at the ‘“Tronclad” Mine (Brown); Murninnie 
Mine, Mount McDonnell, N. T. (T. C.C.). 
BIsMUTHINITE ! —Balhannah Mine, Mount McDonnell, N. T. 
(T.C.C.); New Era Gold Mine, Forest Range Gold Mine 
(Goyder) ; near Blinman (Goyder). 
Bornite !!! (Purple Copper Ore)—Massive at several of the 
copper mines of the colony, generally associated with 
chalcopyrite. The most notable locality is the Moonta 
Mine (T.C.C.); Lady Alice Mine, Barossa Mine, Burra 
Burra Mine, Try Again Mine (T. C. C.); Kapunda Mine 
(Burr); Mount Searle (Brown); near the Peake, Central 
Australia, in the quartz veins in the metamorphic rocks 
(Tate). Analysis of a specimen of massive bornite from 
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