248 
METALS. 81. Aurunii 
Aurum antimon. mineral. Born, ind.fo/t. i. p. 68. 
Pound near Deuf/chlip/eh in Hungary, and near Nagyag in 
fylnoania, confifting of gold alloyed with common antimony' 
its furface is fometimes llriate like the web of a feather. 
rufeicens. Of a reddifli Colour, emitting fulphurous flames whet* 
heated to whuenefs. 
Aurum pfeudogalrena. Born. ind. fofs. i; ^.6g. 
Pfeudogalena aurifera. Wall. fist. 2. p. 357. n. 4. 
Found near Nagyag in Tranfihania, lamellar^ of a femimetal- 
lie lullrc, and contains zinc, oxyde of iron and fulphur be- 
fides the gold. 
tintreum, Hardifli, brittle, compadl, of a yellowilh fteel-colour* 
emitting fulphiirotis flames and arfenical fumes whefl 
heated to whitenefs. 
Aurum minera argenti. Born. ind. fofs. i. 68. 
Bifmuthic gold, SchmeiJJer miner, 2, p. 28. 
Found. near HagyagvaHranfylvania, and refembles in appeaf"* 
ance grey copper-ore : it contains an alloy of lilver mixe®* 
with fulphur and arfenic. 
^h'idumi Whitifh, yellowifh internally, fibrous, emitting fulphur-* 
ous flames and arfenical fumes when heated to white- 
nefs, 
Arfenicated gold, Schmeijfer mineral. Z, p. 30. 
Aurum ferro et arfenico. Born, ind fojs. i. /. 6g. 
Found in the gold mines of Nagyag in Tranfilniania, and con- 
tains belides the gold, fulphur, arfenic and iron : the fulphn* 
and arfenic may be feparated by heat, the iron by mufiad<t 
and the gold by nitro-mnriatic acid. 
virescens. Of a greeniih-gold colour and rather obfeure luflre, 
minutely granular texture. 
Guncr goldkies. Bindb. fchr. berl. natur. 4. p. 396. 
Found near Hagyag in Tranfilniania imbedded in quartz, and 
befides the gold contains fulphur, iron, copper and mang*' 
nefe. Jt is more than probable that fome of thefe laft fpecic* 
are ores of Tellurium, 
tyritimum. Of a gold-yellow colour, emitting fulphurous flames whe** 
made white hot. 
Aurum pyrita. Syst. not. xii. 3. p. 152. n. 2. 
Aurum fulphure et ferro. Wall. fid. z, p, 356. ». i. 
Gold pyrites. Schmeijfer miner, 2. p. 29. 
