DEPARTMENT OF MINERALOGY. 195 



Specimens of tilasite and fermorite (a new species named in 

 the department), from the manganese-ore deposits of India : hy 

 the Director, Geological Survey of India. 



Datolite from Mullion, Cornwall : hy the Director, H.M. 

 Geological Survey. 



Telluride ores from Kalgoorlie, Western Australia : hy the 

 Directors, Kalgurli Gold Mines, Ltd. 



Model of a gold nugget weighing 22 oz. and found in 1795 

 at Croghan Kinshelagh, Co. Wicklow : hy the Director, National 

 Museum of Ireland. 



A valuable set of 18 isolated crystals of diamond (total 

 weight 5*851 grams, about 29 carats) and one unusual specimen 

 showing a crystal of diamond embedded in the matrix 

 of "blue ground"; also samples of the "blue ground" from 

 different depths in the mine, and samples of concentrates, 

 including pyrope washed from the " blue ground " ; from the 

 Premier diamond mine, near Pretoria, Transvaal : by the 

 Directors, Premier (Transvaal) Diamond Mining Co., Ltd. 



Pitchblende, two specimens from Trenwith mine, St. Ives, 

 Cornwall : hy the Directors, St. Ives Consolidated Mines. 



Fluor, white and powdery, from Stanhope, Weardale, Co. 

 Durham : by W. M. Egglestone, Esq. 



Precious opal from borate deposits at Death Valley, Cali- 

 fornia : hy W. Feldenheimer, Esq. 



A magnificent group of sulphur crystals from Girgenti, 

 Sicily ; a large mass of prehnite with harmotome crystals, from 

 Oberstein, Oldenburg, Germany : hy F. N. A. Fleischmann, Esq. 



Cobaltite with erythrite, from Cobalt, Ontario : by the Foote 

 Mineral Co. 



Mica and asbestos from Southern Manchuria : hy E. Fukano, 

 Esq. 



Pinite, a large crystal, from Sellrain, Tyrol : by the Rev. 

 J. M. Gordon. 



A series of specimens (barytes, calcite, dolomite, quartz 

 and hjematite) from the iron mines of west Cumberland : by 

 J. Graves, Esq. 



Plaster model of a large faceted diamond : hy Messrs. J. R. 

 Gregory & Co. 



Arsenic, crystallized nodules, from Akatani, Japan : hy 

 Messrs. Hamel <& Horley. 



Quartz twins and agalmatolite from Japan: by R. Hattori, 

 Esq. 



Doughtyite (a new species described by the donor) from 

 Colorado ; crystallized stannous sulphide from a Cornish tin 

 furnace : by Dr. William P. Headden. 



Opal, enclosing small crystals of iron-pyrites, from Great 

 Mercury Island, New Zealand : by Thomas Hick, Esq. 

 119. o 



