16 • 
ROOM VIII. 
Nat. Hist. 
TABLE J 
2 . 
{Div. 1.) Tin ores : several modifications of 
tin stone crystals ; wood tin. Iron ores : mag¬ 
netic iron stone ; several steel-grey and tarnished 
varieties of specular iron (eisen-glantz) mostly 
from the Island of Elba; micaceous iron (cubic 
oxide of iron of M. de Bournon) ; red and 
j^rown 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 crystallisations,: small 
cubic pyrites on blackish clay slate* also known 
by the name of Irish diamonds ; decomposed or 
liver pyrites ; septaria. Copper pyrites and va¬ 
riegated copper ore. 
{Div. 2.) Variegated copper ore ; copper py- 
rites / with opal* &c.; native copper* dendritical* 
laminar* &c. ; ha£matitiform and vitreous grey 
and red copper ores ; earthy and indurated cop¬ 
per azure in combination with malachite* cop¬ 
per green* &c.; several varieties of malachite ; 
arseniate of copper (olive ores)* &c. 
{Div. 3.) Arsenical ores : native arsenic (scher- 
ben cobolt) ; arsenical pyrites ; yellow orpiment; 
re^l 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 
