188 REV. SAMUEL HAUGHTON, M.D., 
elements of the Metamorphic Slates, the following minerals are 
occasionally found :— 
Andalusite, . » Loc. Lugduff, Douce, Luganure, Glendalough, Glen- 
malure. 
Chiastolite (variety Loc. Killiney, Aghavanagh, Baltinglass Hill. 
of Andalusite), 
Staurotide, . . Loe. Killiney, Glenmalure, 
Hornblende, . . Radiated? 
Loc. Killiskey; 
Crystallized, dirk gfeen. 
Loc. Kilfanelagh. * 
Jusper-agate, . » Loc. Lautbay Island. 
Mocha Stone, . Loc. In pebblesfound on thesea-beach, Co. Wicklow. 
ZAVCON, « , . Loc. Croghan Kinshela. 
Gold, . , - Loc. Croghan Kinshela. 
Magnetite, . . Loc. Croghan Kinshela. 
Chlorite, : . Loc. Glenmacanas ; Howth. 
Spinel, . : . Small rolled grains. : 
Loc. Croghan Kinshela. 
Platinum, . « Loc. Croghan Kinshela. ; ‘ 
Wood-tin, « » Loc. Croghan 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, e Calp limestone (passim). 
Iron Pyrites, - Wellformed crystals, occurring in sheets, lining 
joints in the Calp limestone. 
Asphaltum, . . Solid, opaque, resinous black lustre, conchoidal 
fracture. 
Loc. Castleknock. 
Anthraconite, -« Loc. Castleknock. 
a * 
4, MINERALS FOUND IN THE MINES OF THE CouNTY WICKLOW 
AND County DUBLIN. 
Tron Pyrutes, - Loc. Sulphur mines, Vale of Avoca. 
Lluorspar, . . Large yellow and pale violet blue cubes. 
Loc. Glendalough mine. 
Schieferspar, . Loc. Luganure mines. 
Barytes, . » Loc. Killiney Hill; Luganure mine; Glenmalure 
mine ; Clontarf. 
Native Silver, » Loc. Baliycorus mine. 
Horn Silver, . . Loc. Ballycorus mine. 
