CONTENTS. 



xxx i 



2. Mineral! fed - 



A. With fulphur alone 



1. Saturated. Marcafite pyrites y 



2. With very little fulphur 



1. Magnetic J 



2. Non-magnetic . 



B. With arfenicT Mifpkkel, or : 



plate mundlc 



C- Sulphurated arfenic. 



Zarnub and Sandarach 



D- ' the vitriolic acid. Cop- 

 peras 



E. Phlogifton 



fr other fulphurated and 



arfenicated metals 

 2. Semi-Metals 7 



A. Quickfilver \ 



i. Native . ■ . 



2. Mineralifed 



A, With fulphur, Cinnabar 

 i. Friable 

 2. Indurated 

 J. Granulated 



2. Radiated 



3. Scaled 

 4- Criftallifed 



5. With fulphur and gold — - 

 C. fulphur and copper — 



B. Bifmuth _ _1_ . 



i. Native , 



SECT. 



CCXI. 



ccxu. 



y ccxiy. 



CCXVI. 

 CCXVII. 



ccxviir. 



2. In form of calx 



3. Mineralifed 



A. With fulphur ( 



B. With fulphurated iron - 

 C- Zink or f.;eltre — 1 — , 



U In form of calx 



A. Pure 

 I. Indurated 



B. Mixed 

 1. With a martial ochre 

 2. bole 



3> • lead and iron ochre-* 



- CCXVI. 



- CCXIX. 



- CCXXI. 

 CCXXIL 



CCXXIIL 



CCXX1V. 



ccxxv. 



CCXXVII. 



>CCXXVIJI 



2. MineraljfecJ 



