[ 170 ] 
SECTION IV. — MINERALS, — Continued. 
Sub-Section III. — Metals and Metalliferous Minerals, — Continued. 
187 Marcasite, a nodule with radiating* fibrous interior 
and coated with iron pyrites, from the 
grey chalk. Near Dover. 
188 Marcasite with iron pyrites on quartz. Alston, Cumberland. 
189 Magnetic Iron Ore in octahedrons. Traversella, Piedmont, 
190 Do. Do. massive with mica. Sweden. 
191 Iron-glance or Specular Iron Ore in crystals. Bio, Elba. 
192 Do. variety called Micaceous 
Iron Ore with crystals of 
quartz on massive red 
haematite. Cleator Moor, Cumberland. 
193 Do. Do. massive, with quartz. Sweden. 
194 Red Haematite, botryoidal and passing 
into scaly haematite or 
iron-froth. Ulverstone, Lancashire. 
19o Do. compact massive variety. 
196 Limonite or Brown Haematite, stalactitic and 
massive. Cornwall. 
197 Do. pseudomorphous after marcasite. Near Dover. 
198 Do. variety called Bog Iron Ore. Chorl ton, near Woolwich. 
199 Do. variety called Pea Iron Ore. Bohemia. 
200 Gdthite in crystals and massive on quartz. St. Just, Cornwall. 
201 Chromic Iron Ore or Chromite, Unst, Shetland. 
202 Chalybite or Carbonate of Iron in small 
crystals on quartz. Devonshire. 
203 
Do. in aggregated lenticular crystals with 
crystals of blende on quartz. 
Virtuous Lady mine, near Tavistock, Devonshire. 
Do. with quartz on copper pyrites. Do. Do, 
204 
