I 
15 
(Div. 1 .) Tin ores: several modifications of room viii. 
tin stone crystals ; wood tin. Iron ores : mag- - 
netic iron stone ; several steel-grey and tarnished Nat ' Hist ” 
. . . . . TABLE 
varieties of specular iron (eisen-glantz) mostly ^ 
from the Island of Elba ; micaceous iron (cubic 
oxide of iron of M. de Bournon); red and 
brown ironstone (some with pavonine and gold 
tarnish); sparry ironstone ; argillaceous iron : 
reniform or nodular ironstone, called eagle-stone 
(one set in gold, used as an amulet): iron py¬ 
rites in variously modified crystallizations : small 
cubic pyrites on blackish clay slate, also known 
by the name of Irish diamonds ; decomposed and 
liver pyrites ; septaria. Copper pyrites and 
variegated copper ore. 
(Div. 2.) Variegated copper ore : copper py¬ 
rites with opal, &c.; native copper, dendritical, 
laminar, &c.; haematitiform and vitreous grey 
and red copper ores ; earthy and indurated 
copper azure in combination with malachite, 
copper green, &c. ; several varieties of mala¬ 
chite ; arseniate of copper (olive ore), &c. 
(Div. 3.) Arsenical ores : native arsenic (scher- 
ben cobolt) ; arsenical pyrites ; yellow orpiment: 
red orpiment or realgar. Copper nickel. Native 
bismuth: artificial crystallization of; tlhe same*' 
by sudden cooling of the melted mqtal. Silver 
ores : native silver, massive, ,capillrtryy &e. ; silver 
H 2 
m 
