183 



Ret. Samuel Haughton, m.d., 



elements of the Metamorphic Slates, the following minerals are 

 occasionally found : — 



Andalusite, c . Loc. Lugduff, Douce, Luganure, Glendalough, Glcn- 



malure. 

 CMastolite (variety Loc. Killiney, Aghavanagh, Baltinglass Hill. 



of Andalusite), 

 Staurotide, . . Loc. Killiney, Qlenmalure. 

 Hornblende, . . Radiated.* 



Loc. KilliskeyJ 

 Crystallized, dark green. 

 Loc. Kilranelagh. 

 . Loc. Laiiibay Is] 



. Loc. Inpebblesfoundontlicsca-beaclijCo.Wicklow. 

 Loc. Croglian Kinshela. 



Jasper-agate, 

 Mocha Stone, 

 Zircon, . 

 Gold, . 

 Magnetite, 

 Chlorite, 

 Spinel, . 



Platinum, 

 Wood-tin, 



Loc. Croglian Kinshela. 

 Loc. Croglian Kinshela. 

 Loc. Gienmacanas ; Howth. 

 Small rolled grains. 

 Loc. Croglian Kinshela. 

 Loc. Croglian Kinshela. 

 Loc. Croglian Kinshela. 



3. The Minerals of the Carboniferous Limestone of 

 the Co. Dublin. 



The Minerals found, occasionally, in the Calp limestone and 

 Lower limestone of the Co. Dublin are few in number. Among 

 them may be mentioned : — 



Lydian Stone, 

 Iron Pyrites, 



Asphaltum, . 



A nthr aconite, 



Calp limestone (passim). 



Well formed crystals, occurring in sheets, lining 



joints in the Calp limestone._ 

 Solid, opaque, resinous black lustre, conchoidal 



fracture. 

 Loc. Castleknock. 

 Loc. Castleknock. 



4. Minerals found in the Mines of the County Wicklow 

 and County Dublin. 



Iron Pyrites, . Loc. Sulphur mines, Vale of Avoca. 



Fluorspar, , . Large yellow and pale violet blue cubes. 



Loc. Glendalough mine. 

 Schieferspar, . Loc. Luganure mines. 



Parytes, • . Loc. Killiney Hill ; Luganure mine ; Glenmalure 



mine; Clontarf. 

 Native Silver, , Loc. Ballycorus mine. 



Horn Silver, . . Loc. Ballycorus mine. 



