40 
IRON ORES. 
221. ViviANiTE, crystallized. 
Huel Kine, St. Agnes, Cornwall. 
Presented by G. B. Greenougb, P.R.S. 
222. ViviANiTE, crystallized. 
MS'heal Betsy, near Tavistock, 
Devon. 
223. Chilerenite, {Hydrated 
Phosphate of Iron and Alumina'). 
George and Charlotte Mine, near 
Tavistock. 
Shelf IV. 
224. Mispickel, {Arsenical 
Rhombic Iron Pyrites, or White 
Mundic), consisting of iron, 36 ; 
arsenic, 43 ; snl^diur, 21 ; well 
crystallized. 
Cornwall. 
225. Mispickel, well crystal¬ 
lized. 
From a Tin lode, Cornwall. 
226. Mispickel, massive, with 
Quartz. 
Faithlegg, Co. SS^aterford, Ireland. 
227 & 228. Pharmacosiderite, 
or Cube Ore, {Hydrated Arseniate 
of Iroti), well crystallized. 
Bedruth, Cornwall. 
229. Pyrrhotine, {Magnetic 
Iron Pyrites), massive, with 
Blende. 
Lanivet, near Bodmin, Cornwall. 
230 to 232. Pyrrhotine, lamel¬ 
lar, disseminated through Quartz. 
Smittergill Head, Cumberland. 
Presented by W. W. Smyth, P.R.S. 
Shelf Y. 
233. Large slab of Iron Py¬ 
rites, crystallized in cubes with 
edges replaced by a narrow striated 
plane. 
Cornwall. 
233a. Iron Pyrites, crystal¬ 
lized, with Calcite. 
Liskeard, Cornwall. 
234. Iron Pyrites, large casts 
after sharp tabular crystals, pro¬ 
bably Barytes. 
Near Liskeard. 
234a. Iron Pyrites, pseudo- 
morphous after crystals of Barytes. 
Liskeard. 
234b. Iron Pyrites, stalactitic. 
Perran Iron Mines, Perranzahidoe, 
Cornwall. 
Presented by M. T. Hitchins. 
235 & 236. Iron Pyrites, mas¬ 
sive, crystalline, extensively used 
in the manufacture of sulphuric 
acid. 
Idilton, Underhill, Cumberland. 
Presented by J. P. Davis. 
237. Iron Pyrites, massive, in 
Anthracite bed called the “ Brass 
“ vein.” 
Haven Inn,Cwm Ammon,Caer mar- 
thenshire. 
238. Iron Pyrites, in concre¬ 
tionary nodules ; contains a little 
Gold. 
From the Kimeridge Clay, Port¬ 
land Island. 
Presented by Her Majesty’s Commis¬ 
sioners of Voods, &c. 
239. Iron Pyrites, concreti¬ 
onary. 
From the London Clay of the Isle 
of Sheppy. 
Presented by G. B. Greenough, P.R.S. 
Wall-case 47. 
Shelf I. 
Magnetite, or Magnetic Iron 
z O 
ore, the natural loadstone, is the 
richest ore of iron, containing 
iron 71*68 and oxygen 28*32 per 
cent. Although very important 
in Sweden, Norway, and Russia^ 
it is found in but small quantities 
and in few localities in this couii- 
try. 
240. Magnetite, oxidulated, or 
Magnetic Iron ore (PeO, Fe-0^), 
massive, granular. 
Bodennick, St. Stephen’s, Corn- 
tv all. 
Presented by W. W. Smyth, P.R.S. 
241 & 242. Magnetite. 
Trehistvell, Penryn, Cornwall. 
No. 242 presented by W. Lee. 
243. Magnetite, crystallized 
and massive. 
Ilsington, Devonshire. 
Presented by E. W. White. 
