1^2 
A" SYSTEM OF 
1. Mixed with a calcareous fubftanCei 
Ochra veneris terra calcared mixta. 
Ccsruleum montanum. In this ftate 
copper blue is moftly found. It fer- 
ments during the folution in aqua 
fortis. See Seft. xxxiv. 
2. Mixed with iron. Black. It is the 
decompofition of the Fahlun copper 
ore. Se6t. cxcviii. a, 
h. Indurated, Minera cupri calciformis im* 
pura indurata, 
1 . Mixed with gypfum, or plafter. 
Green. Is found at Ordal in Nor- 
way, and there called Malachites. 
2. Mixed with quartz. Red. From 
Sunnerikog, in the province of Smo- 
land. Sed. liii, B. 
3 * Mixed with lime. Blue. This is 
the lapis armenus^ according to the 
accounts given. of it by authors. 
SECT. CXCVII. 
C. Diffolved and mineralifed, Cuprum mineralu 
fatum. 
I. With fulphur alone. Cuprum fulphure mi- 
neralifatim. Grey copper ore. Is impro- 
perly alfo called Glafs copper ore. 
a» Solid, without any certain texture, Mi- 
nera cupri fulphurata folida texturd inde- 
terminatd. This is very foft, fo that it 
can be cut with a knife, almoil* as eafily 
as black lead. 
Fine cubical, Minera cupri fulphurata 
tejjulis conftans minorihtis. 
Both thefe varieties are found at Sun- 
nerikog, in Smoland j where the laft is 
ibmetimes 
