mineralogy. 175. 
I. In form of capillary criftals, Minera 
argenti antmonialis capillar.is. Feder- 
ertz^ or plumofe filver ore* 
It is found in Saxony, and contains 
only two or lour ounces of filver per 
cent. 
SECT. CLXXIV. 
6. With fulphurated copper and antimony. 
Argentum cupro ^ antimonio fiilphurato mi- 
neralifatum. The Dai Falertz. 
This refembles, both in colour and tex- 
ture, the dark-coloured Weiffgulden, or 
Falertz. When rubbed, it gives a red 
powder. 
a. Solid. 
h. Criftallifed, is found in the pariih of 
Aminlkog, in the province of Dal ; and 
at that place has been for feveral yeai's 
melted by a method invented for the 
‘‘different mixture of the ores j which 
procefs muft be very troublefome to 
thofe who are not perfedly well veried 
in metallurgy. 
It contains thirteen ounces of filver, 
and twenty-four per cent, of copper. 
SECT. CLXXV. 
7. With fulphurated zink, Argentum zinco 
fiilphurato miner aUfatum . The :PechbUnde 
'of the Germans. 
Tliis is a zink ore, mock lead, or ble^nde, 
which contains fiiveryand is found amongr 
rich iilvcr and gold ores •, for inilance, in 
the Hungarian and Saxon mines. 
Of 
