75 



7797, Goodradigbee Elver, coimty Cowley : showing crystal Case 09. 

 faces. 



Massive specimens are exhibited from various districts. 



6685, Broula : a massive variety exhibiting strong polarity. 

 A bar cut from this specimen has been suspended by a thread in 

 case 125, and sets itself north and south like a compass needle. 



Eed oxide of iron, in the form of black octahedral crystals. Martite. 

 Martite may be an alteration product of magnetite. 6885, Byng. 

 2743, Orange district. 8227, Parkes district. 7796, Muttama. 



Eed oxide of iron. This mineral exhibits great variety inform Hematite, 

 and appearance, but is always characterised by its blood-red 

 streak. 



1336, Parkes : micaceous variety. 5900, Kiandra: micaceous 

 variety. 



2863, "Wellington : replacing fossil crinoid stems. 



Massive specimens from Dubbo, Young, and many other 

 localities. 



5498, Consols Mine, Broken Hill : pseudomorphously replacing^ 

 chalybite. 



Grenerally speaking, these are not crystallised, and present Hydrated 

 great variety in appearance. They are all characterised by the Brown Oxides, 

 presence of a considerable amount of combined water, and by 

 their yellow or brown streak. 



4173, Consols Mine, Broken Hill : large pseudomorphs after 

 chalybite, coated with calcite. 



3832, 8825, Barrier Eange : pseudomorphs after chalybite. 



2891,2701, 2711: stalactitic forms from Piper's Plat, Wal- * 

 lerawang, and from Bulga, near Orange. 



7816, near Burragorang : in thin concentric shells. 



2734, Ballimore, near Dubbo : mammillated with a black 

 glazed surface. 



3077, Pish Hiver Creek : a large cube pseudomorphous after 

 pyrite. (See page 32.) 



