298 PROCEEDINGS OF SECTION B. 



being in the form of bright glistening scales. This 

 • ■ .. specimen is evidently of recent volcanic origin, and 

 resembles the micaceous iron from Vesuvius and 

 other volcanoes. It did not yield any magnetic 

 particles. 



5. Micaceous Hcematite. — Locality unknown. Yielded 



traces of magnetic particles. 



Grammes. 



Weight of powder 18-7 



Weight of magnetic particles -122 



Percentage of magnetic particles "06 



6. Brown Hcematite. — Hydrated sesquioxide of iron. A 



hollow concretion ; locahty unknown, but probably 

 from the Waianamatta shale ; of a dark reddisli 

 brown colour. 51 grammes were crushed, but no 

 magnetic particles obtained. 

 6a. Stalactite of hydrated sesquioxide of iron from Berrima, 

 N.S.W. 26*62 grammes yielded only a trace of 

 magnetic oxide. 



7. Dark -Brown Hcematite. — Locality unknown. 22"5 



grammes were treated, but no magnetic particles 

 obtained. 



8. Brown Hcematite. — Compact, and of a dark yellowish 



brown colour, from Kandern, Baden. 44 grammes 

 were treated, but no magnetic particles were obtained. 



9. Goethite. — Yellow fibrous structure from Kleinschraalk- 



alden, Hessen. No magnetic particles were obtained 

 from 43 grammes. 



10. Goethite. — Crystallised, from Lostwithiel, Cornwall, Eng- 



land. No magnetic particles. 



1 1 . Goethite, from Wallerawang, like the preceding, also 



from irregular deposits in the sandstone. Yielded an 

 almost black powder. No magnetic ])articles. 



12. Brown Hematite i'roni the quarry above the House of 



Correction, Hobart, Tasmania, where it occurs in thin 

 crystalline plates, filHng joints in the rock, which are 

 about quarter across. Free from magnetic particles. 



13. Brown Iron Ore from Hungary. Compact, dark 



yellow-coloured. No magnetic particles from 58 

 grammes of the powder. 



14. Stalactitic Brown Hcematite. — Wallerawang, N.S.W., 



with bright black psilomelane-like coating. No 

 magnetic particles. 



