10 
COPPER PYRITES OF CORNWALL. 
172 & 173. Copper Pyrites, 
with Tin ore. 
Marazion Mines, near Penzance, 
CornicaU. 
174. Copper Pyrites, with 
Zinc Blende. 
From Huel Vor Tin Mine, Breaguc, 
Cornwall. 
Presented by J. Sylvester. 
175. Copper Pyrites, with Tin 
•ore. 
From Great Work, Preague. 
Presented by ,J- Sylvester. 
176. Branch of Copper Pyrites, 
the “ walls ” or sides being re¬ 
moved. 
Huel Tolgus, Pedruth, Cornwall. 
Presented by J. Mitchell. 
177. Part of a Copper Lode : 
exemplifies a common mixture of 
quartz and copper pyrites in Cor¬ 
nish copper lodes; on one side the 
quartz is crystallized towards a 
^‘vug” or cavity. 
Huel Tolgus, Redruth, Cornwall. 
Presented by J. Mitchell. 
178. Copper Pyrites. 
Huel To'gus, Redruth. 
Presented J. Mitchell. 
Shelf II. 
179 & 180. Copper Pyrites, 
massive and mammillated. 
Huel Jewel, Gwennap, Cornwall. 
181. Copper Pyrites. 
Great Work, Breague, Cornwall. 
182. Copper Pyrites, with Iron 
Pyrites. 
Consols Mines, Gwennap, Corn¬ 
wall. 
183 & 184. Strings of Copper 
Pyrites, and Fluor-spar, in gra¬ 
nite. 
Tresavean Mine, near Redruth, 
Cornwall. 
Presented by T, Teague. 
185 & 186. Copper Pyrites, 
associated with Copper Glance. 
Pembroke Mine, St. Austell, Corn¬ 
wall. 
Presented bj R. Taylor, F.G.S. 
Shelf III. 
187. Copper Py'Rites, with 
black Oxide. 
Great Work, Breague, Cornwall. 
Presented by J. Sylvester. 
188. Part of a Copper Lode. 
Great St. George Mine, Perran- 
zahuloe, Cornwall. 
Presented by H. Humphries. 
189. Copper Pyrites, crystal¬ 
lized and massive. 
Huel Jewel, Gwennap, Cornwall. 
190. Copper Pyrites, with 
Iron Pyrites and Quartz, from a 
poor lode. 
Coyisols Mine, Gwennap, Cornwall. 
191. Copper Pyrites, exter¬ 
nally tarnished. 
Holcoath Mine, Redruth, Corn¬ 
wall. 
Presented by Captain W. Petherick. 
192. Copper Pyrites, amid the 
laminte of altered Slate. 
Holcoath Mine, Cornivall. 
193. Copper Pyrites, with 
Silver Ore. 
Holcoath Mine, CornicaU. 
Presented by Captain W. Petherick. 
194. Copper Pyrites, massive, 
good sample. 
Holcoath Mine. 
Presented by Captain W. Petherick. 
195. Copper Pyrites, with 
Galena. 
Kelleicarris Min^, Chasewater, 
Cornwall. 
196. Copper Pyrites, exter¬ 
nally tarnished.'*' 
Copper Bottom Mine, Cornwall. 
197. Copper Pyrites, with 
imbedded crystals of Iron Pyrites. 
Copper Bottom. Mine, Cornwall. 
198. Copper Pyrites. 
Cook's Kitchen Mine, Illogan, 
Cornwall. 
Presented by the late J. Garby. 
Shelf IV. 
199. Copper Pyrites, exter¬ 
nally tarnished. 
CornicaU. 
* Copper Pyrites, when tarnished or coated with a thin film of iridescent colour, is 
termed peacock ore. 
