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room viu. and red copper ores ; earthy and indurated cop- 
Nat. Hist, per azure in combination with malachite, cop¬ 
per green, &c.; several varieties of malachite ; 
arseniate of copper (olive ores), &c. 
(Dio, 3.) Arsenical ores: native arsenic(scher- 
ben cobolt) ; arsenical pyrites ; yellow orpiment; 
red orpiment or realgar. Copper nickel. Native 
bismuth : artificial crystallization of the same, by 
sudden cooling of the melted metal. Silver ores : 
native silver, massive, capillary, &c.; silver in 
dendritical figures on a slab of black clay slate 
(probably a production of art); vitreous and red 
silver ores. Lead ores; common galena : vari¬ 
ously crystallized ; compact galena: slickenside ; 
brown, white, green, red, and yellow lead ores ; 
vitriol of lead. Quicksilver ores: dark and light 
red cinnabar, &c. 
( Div . 4.) Gold ores: native gold, massive, 
laminar and filiform, in quartz, &c. Sylvan ore 
or Tellurium. Platina in grains (in a phial): a 
spoon of the same metal for experiments with 
the blow-pipe. 
Petrifactions, &c.; a turquoise, set with dia¬ 
monds in a ring ; impressions of fishes in lime¬ 
stone ; glossopetrae, bufonites ; insects: fossil 
crab : various echinites ; shells ; several petri¬ 
fied species of pecten, chama, anomia, nauti¬ 
lus ; 
