COPPER PYRITES. 
13 
264 . Copper Pyrites, massive. 
Devon and Courtenay Mine, near 
Tavistock, Devonshire. 
Presented by W. Eeadle. 
255. Copper Pyrites, massive, 
enclosing fragments of killas. 
Duel Friendship, Tavistock,Devon- 
shire. 
255a. & 255b. Copper Pyrites, 
in slate near the junction with the 
Granite, and close to the dyke 
which divides the granite from the 
slate. 
Benjamin's chair. South end of 
Lundy Island. 
Presented by W. H. Heaven. 
256. Copper Pyrites, with 
Galena and Blende imbedded in 
Clay-slate. 
Shelf V. 
257. Copper Pyrites, tetrahe¬ 
dral, crystallized with blende in a 
cavity in Limestone. 
Lord Ferrers' Mine, near Ashby 
de la Zouch, Leicestershire. 
Presented by G. B. Greenough, P.R.S. 
258. Copper Pyrites, tetra¬ 
hedral crystals, with blende and 
calc-spar, in the Mountain Lime¬ 
stone. 
Staunton Harold, near Ashby de 
la Zouch, Leicestershire. 
259. Copper Pyrites, in the 
Upper New Red Sandstone. 
Alderley Edge, Cheshire. 
Presented by G. Ormerod, F.G.S. 
260 to 262. Copper Pyrites, 
with iridescent tarnish. 
Coniston Mine, Cumberland. 
263. Copper Pyrites, with 
Malachite, &c. 
Near Gatehouse, County Kirkcud¬ 
bright, Scotland. 
Presented by A. .Murray, F.G.S. 
Shelf VI. 
264. Copper Pyrites, with 
iridescent tarnish, 15 fathoms deep. 
From Eaglebrook Mine, Cardigan¬ 
shire. 
Presented by W. Spooner. 
265 to 268. Copper Pyrites, 
with galena, from the ‘‘ back ” or 
outcrop of the lode (the shallow 
workings of the mines). 
At Cwm Symlog, Cwm Sebon, and 
Penrhiw Lead Mines, near 
A b erys t iv i th, Cardig an shire. 
269. CopperPyrites, associated 
with galena, blende, and calcite. 
Lisburne Mine, Cardiganshire. 
270. Copper Pyrites, irides¬ 
cent, from the lead lode, 
At Nant-y-Creiau Mine, Cardi¬ 
ganshire. 
Presented by J. Jones. 
271 to 273. Copper Pyrites, 
massive, with barytes and siderite 
(Carbonate of iron). 
Nant-y-Car Copper Mine, near 
Rhaya'der, Radnorshire, North 
Wales. 
Shelf VII. 
274 to 278. Strings of Copper 
Pyrites and Galena, in Clay-slate. 
From Geufron and Tyn-y-pont, 
near Llanidloes, Montgomery¬ 
shire, North Wales. 
279. Large mass of Copper 
Pyrites, compact. 
Shelf VIII. 
280. Large mass of Copper 
Pyrites. 
From Devon Great Consols, Tavi¬ 
stock, Devonshire. 
281 & 282. Copper Pyrites, 
crystallized and massive, vuggy” 
portion of the lode. 
Tywarnhaile Mines, St. Agnes, 
Cornwall. 
From the Exhibition of 1851. 
282a. Copper Pyrites, rich 
class of ore. 
cutters Adit, Gunnislake. 
Presented by the Tavistock Com¬ 
mittee. 1862. 
283. CopperPyrites. 
Par Consols, St. Blazey, Cornwall. 
Wall Case 5. 
Shelf I. 
284. Copper Pyrites. 
Glasdir, near Dolgelly, Merioneth¬ 
shire, North Wales. 1857. 
