CONTENTS. 
2 . Indurated 
j5. Mixed 
1. Friable 
2. Indurated 
Mineraiifed 
With fuIphuF. 
ere 
B- With fulphurated iron 
cafiiical capper ore 
Grey copper 
Mcfr-- 
SECT, 
cxcv. 
CXCVI, 
CXCVII, 
C. With lulphur, atfemc^ and iron 
D. DifTolved by the vitriolic acid. 1 
Vitriol of copper > 
E. Mineralii'ed with phlogifton J 
G. Iron — — » 
I. In form of calx 
J, Pure 
I . F riable. Martial ores 
1. Powdery 
2. Concreted. Bog ore 
^ 2. Indurated haematites 
1 . Of an iron colour 
2. Blackifb brown — 
3. Red 
4. Yellow — — 
PXCVIIL 
CXCIX. 
B 
. Mixed with heterogeneous fub-- 
Ilances 
I. With a calcareous earth. 
White iron ore^ or Spathofe 
iron ore 
2. * a filiceous earth. Red 
cc. 
CCL 
CCIL 
CCIF 
CCIIL 
CCIV. 
ccv. 
CCVI, 
thalk y ccvn 
3. Garnet earth. Garnet and 
Jhirl 
4. — an argillaceous earth. 
Bole 
a micaceous earth. Mica 
i), Afbeftos 
y, Manganefe 
8. an alcali and phlo- 
gifton 
I. Blue martial ochre 
9. With an unknown earth. Terras CCIX, 
JO. —— another unknown earth CCX. 
2. Mineraiifed. 
J 
I CCVIII. 
