C 143 1 



1 6. MuRiA~ SeaS^lt, Salt: muriatic, neutral; 



Chryftal : hexaedral j or 



cubic* 

 Tajle : auftere.' 

 In the fire: cracklihg, 



17. Alumen^ Alum, Mt: earthy, acid. 



C&r^j^^j/ ; odaedral, com- 

 pofed of trigonal planes.' 

 ^afie : ftyptic. 

 In the fire: frothing^ 



18. ViTRiOLUM. Vitriol metallic, acid,earthy; 



Chryfi;al: a polyedrous, 

 rhombic teflera ; but 

 fubjed to variation. 



^afie : ftyptic. 



In the fire : calcinable*^ 



II. SULPHURA. Inflammables; 



19. Ambra. Ambergreafe. The Sulphur: inert.' 



Fume : In fmell \ ambrofiac. 

 In colour j grey. 



20. SucciNUM. Amber. The Sulphur : inert^ 



Fume : In fmell \ fweet. 



In colour ; brown, 



21. Bitumen. Bitumen. Tht Sulphur : inert.' 



Fume : In fmell unpleafant.^' 

 In colour % black. 



22. Pyrites. Sulphur. The Sulphur : charged 



with vitriol. 

 Fume: In fmell-, pungent and 

 acid. 

 In tajie \ falc. 



