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TYPE MINERALS. 
TUNGSTEN. 
Wolfram. St. Agnes, Cornwall. 
Scheelspath, or Scheelite. Saxony. 
Motypprnum. 
Molybdate of Lead. Carinthia. 
Sulphuret of Molybdenum, in quartz. Cumberland, 
Molybdenite, with Wolfram, in quartz. Altenberg, 
Saxony. 
CHROMIUM. 
Chromate of Iron, or Chrome Ore. Dun Moun- 
tain, Nelson, N. Z. 
URANIUM. 
Uranium Ochre. J oachmesthal, Bohemia. 
Uranglemmer, Saxony. 
Phosphate of Uranium, in well-defined crystals, 
Cornwall. 
MANGANESE, 
Manganocalcite, Schemintz, Hungary. 
Manganite. Thuringia. 
Nausmanite, Thuringia. 
Greenovite. Pribram, Bohemia. 
Carpholite. Bohemia. 
Helvine. Schwarzenberg, Saxony. 
Pyrolusite. 
Diallogite. Nagyag, Transylvania. 
Brown Oxide of Manganese. Devonshire, 
Psilomelane. Tavistock, 
Manganese Blende. Saxony. 
Pyrolusite, in botryoidal crystals, Schneeburg, 
Saxony. 
Grey Oxide of Manganese. 
Pyrolusite—Binoxide of Manganese. Thuringia. 
Fibrous Oxide of Manganese, Rey del monte 
Mexico, , 
Rhodochrosite, variety of Diallogite. Hungary, 
