[ w 1 



a. Native Lead; found in Poland, Silefia, near 

 Karthen, and in Monmouthftiire ; alfo in Carin- 

 thia, in Vivarais. 



(a.) 2. Native Oxyde of Lead; cryftallized in 

 various forms ; compact, or pulverulent. Anal. 

 Lead 36. Oxygen 37. Iron 24. Argill 2. 

 Mac quart. 



(a.> 3. Molybdate of Lead; cryftallized in reel- 

 angular tables and their modifications. 



b. Lead Amalgam ; or lead combined with 

 mercury. 



c. Red Lead Ore, or Ferruginous oxyde of 

 lead ; refembling arfenic or realgar ; cryftallized, 

 Alining, ftriated on the furface ; femi-tranfparent. 



d. White Opaque Lead Ore, or Native White 

 Lead ; of a yellowifh or greyifh colour. Found at 

 Blegberg. 



e. White Carbonate f?^ a ^ °J ! Ca j" 

 s> t j < spathole lead. 

 of Lead, \ M F ephiteoflead . 



Spathofe lead ore, White tranfparent lead ore, 

 or White lead fpar; colour white or co!ourlefs,ufu- 

 ally mixed with calcareous earth or clay. Found 

 near Freiburg, Marie n berg, in Siberia, Bohemia, 

 Hungary, Tipperary in Ireland, and lead hills in 

 Scotland. Anal. Lead 80. Carbonic acid 16, 

 with fome lime and argill. Westrumb. " 



f. Black 



