CONTENTS. xxix 



SKT, 



G- With fulphur and zinc CLXXV. 



H. Wirh fulphur and lead. "| 



P -'iter's lead ore 

 I. With fulphur and anti- > CLXXVL 



mony J 



K. With fulphur and iron ~* 

 X. With the acid of common fait. 



Horn jlhe*- ore. CLXXVIL 



C. Platina del pinto CLXXIX. 



£> Tin ■ CLXXX. 



1. In form of calx y* 

 A. Indurated f 



I. Mixed with the calx of \ pT yYYT 

 arfenic . 



a. Solid. Tin-Jlone 



b. Criftallifed. Tin grains 

 2. Mixed with the caix of ~x 



iron S 



7. iVIixcd with man^anefe.\^ T wvtt 

 . >m 



2. Mineralifed by fulphur with 



iron. Black lead 



£. Lead CLXXXIV. 



I. In form of calx 



t j i *> 



i . T nable. Lead ochre 



A, 1 ure yT.YYY 1 



. Friable. Lead ochre Q 



I. Indurated. Lead /par. >J 



1. With calx of arfenic (. CLXXX VI. 



2. With a calcareous earth j 



A. With fulphur. P^r'j ( CLXXXVIL 



5. With fulphurated fiiver CLXXXVIII. 

 6'. With fulphurated iron and 



fifc w CLXXXIX. 



Z>. With fulphurated fiiver and 



antimony. Antiinoniated 



lead ore ■ CXC. 



F, Copner — CXCiL 



1. Native ■■ i ■ CXCIII. 



2. In fdrja of calx ") 



^ Pure [ CXCIV. 



I. Friable. Copper ochres J 



2. Indii- 



