12 
COPPER PYRITES OF CORNWALL. 
229. Large mass of Copper 
Pyrites. 
From a lode in Granite, 110 fathoms 
level. South Frances, Illogan, 
Cornwall. 1851. 
Shelf VIII. 
230. Mass of Copper Pyrites. 
From a lode at Consols Mines, 
Gwennap, Cornwall. 
Presented by the Adventurers of the 
Mine. 
231. Mass of Copper Pyrites, 
externally tarnished. 
Huel Buller, Redruth, Cornwall. 
232. Part of a Copper Lode, 
consisting chiefly of the mammil- 
lated Copper Pyrites ; the lode 
is full of cavities, or “vuggy,” 
(as the Cornish miners term it). 
It formed part of a lode chiefly 
worked for tin. 
Great Work Mine, Breague, Corn^ 
wall. 
Presented by J. Sylvester. 
233. Large mass of Copper 
Pyrites. 
From a Copper lode at United 
Mines. 
Wall Case 4. 
Shelf I. 
234 & 23o. Copper Pyrites, 
assocdated with Chlorite. 
Par Consols, St. Blazey, Cornwall. 
236. Copper Pyrites, inter¬ 
mingled with Iron Pyrites. 
From the 122 fathoms level of 
Job's lode, in dark grey, smooth 
killas. East Crinnis, near St. 
Austell, Cornwall. 1855. 
237. Copper Pyrites. 
Fowey Consols, St. Blazey, Corn¬ 
wall. 
Presented by the late J. Austen Treffry. 
238. Copper Pyrites, massive. 
From 280 fathoms level, Trathan's 
lode, Fowey Consols, St. Blazey, 
Cornwall. 1857. 
239. Copper Pyrites, dissemi¬ 
nated in granite, near a copper 
lode. 
Fowey Consols, St. Blazey. 
Presented by the late J. Austen Treffry. 
240. Copper Pyrites, (pale 
yellow ore). 
From the 40 fathoms level, theDuke 
of Cornwall Mine, Lostwithiel. 
1855. 
Shelf II. 
241. Copper Pyrites, massive, 
iridescent. 
From the 132 fathoms level. Holm- 
bush Mine, near Callington, 
Cornwall. 1852. 
Presented by Captain Lean. 
242. Copper Pyrites, with 
Black-oxide. 
From the fathoms level, Hingston 
Down Consols, Cornwall. 1855. 
243 & 244. Copper Ptrites, 
massive, Avith an iridescent tarnish. 
Hingston Down Consols, Cornwall. 
245. Copper Pyrites and Iron 
pyrites. 
From the 50 fathoms level, Huel 
Zion, Cornwall. 1855. 
Presented by W. W. Smyth, P.R.S. 
Shelf III. 
246 & 247. Clay-slate, killas 
(of the Cornish miners). 
From the north “ ivall ” of the lode, 
Huel Zion, Cornwall. 
248. Copper Pyrites (irides¬ 
cent) around a pseudoinorphous 
cavity. 
Redrxith, Cornwall. 
249. Copper Pyrites, crystal¬ 
lized in pyramids. 
Herodsfoot Mine, Cornwall. 
250. Copper Pyrites, massive, 
average sample. 
From S5 fathoms level, Huel Arthur,. 
Cornwall. 
Presented by W. W. Srayth, F.P.S. 
251. Mammillated Copper Py¬ 
rites. 
From cutters Adit, Gunnislahe. 
Presented by the Tavistock Com¬ 
mittee. 1862. 
251a. Copper Pyrites in quartz, 
with iridescent tarnish. 
Cornivall. 
Shelf IV. 
252 & 253. Copper Pyrites, 
massive, iridescent, with imbedded 
crystals of Iron pyrites. 
Virtuous Lady Mine, Tavistock. 
