22 % 
A SYSTEM OF 
SECT. CCXLIIL 
j. Mineralifed arfenic, Arfenicum miner alifatim. 
A. With fulphur and iron, Arfenicum Jerra- 
fuhhurato miner alijatum, Arfenical pyriteS' 
or marcafite 
This alone produces red arfenic, when^ 
calcined, and is found in great quantities 
in the mines of Lofas in the province of 
Dalarne : It is of a deeper colour than the 
following.- 
B. With iron only, Arfenicum metalliforme 
ferro mix turn, MtfspickeL This differs with 
regard to its particles, being 
1. Steel-grained; 
2. Coarfe-grained, from Wefterfilfverber- 
cret * 
3. Criflallifed. 
a. In an odoedral figure. This Is the 
moft common kind. 
h. Prifmatical, from the mines of Sal- 
berg, Wefterfilfverberget, and Helle- 
fors in Weflmanland, and in many 
places of foreign countries f. 
Q 
SECT. CCXLIV. 
€. With cobalt, almoft in all cobalt ores, 
Se6t. ccxlviii. 
D, With filver, Se(^, clxxi. clxxii. 
E, With copper. Se61:. cxcix. 
F, With antimony. Se61;. ccxxxv, 
* Thefe kinds in Cornwall are called Silvery or White 
Mundics, and Plate Mundlcs. D. C. 
f The fulphureous marcafite is added to this kind, when red 
sxfenic is to be made ; but in Sweden it is fcarcer than the 
fulphureous arfenical pyrites. 
SECT; 
