XXX 



CONTENTS. 



2. Indurated 

 B. Mixed 



1. Friable 



2. Indurated 

 Mineralifed 



J. With fulphur, 

 0r<? 



txr/j? copper 

 B. With fulphurated iron, ikfar- 



S E C T. 

 CXCV. 



CXCVL 



CXCVII. 



cafitlcal copper ore 



CXCVIII. 



C. With fulphur, arfenic, and iron CXCIX. 



D. Diflblved by the vitriolic acid. 



Vitriol of copper CC. 



E. Mineralifed with phlogiflon 

 G* Iron ■ — 



I. In form of calx ? 



A, Pure J 



1. Friable. Martial ores 



1. Powdery 



2. Concreted. Bog ore 



2. Indurated haematites 

 i . Of an iron colour 



2. Blackifh brown 



3. Red 



4. Yellow ■ — ■ 



CCL 

 CCIL 



CCIL 



CCIII. 



CCIV. 



CCV. 



CCVL 



B. Mixed with heterogeneous fub-^ 

 ftances 

 I. With a calcareous earth. 

 White iron ore^ or Spathofe 

 iron ore 



2. : . a filiceous earth. Red 



chalk 



3. Garnet earth. Garnet and 



fold 



4. -J- — an argillaceous earth. 



Bole 



5. a mjcaceous earth. Mica 



6. Afbeftos 



j, _ Manganefe 



3. an aicali and phlo- 



► CCYII 



} 



CCVIII. 



9- 



10, 



gifton 

 I. Blue martial ochre 

 With an unknown earth. Terras CCIX. 

 -~r— . another unknown earth CCX, 



2. Mineralifed. 



