LEAD. 
GENERIC CHARACTER. 
Colour blueisli white when first exposed to the air. 
Soluble in most acids. 
The most fusible of metals except tin. 
SPECIFIC CHARACTER. 
Plumbum nativum. P. nudum. Linn. Syst. Nat. Gmel. 3. 
p. 364. 
Naked lead. 
Plumbum nudum granulatum. Cart hens, 
Miner. 65. 
Plumbum nativum. Waller. Miner. 
272. 
Native Lead, . . Cronstedt, Miner. 2. p. 651. Kirwan, 
Miner. 2. p. 203. Brovgn. Miner. 2. 
p. 194. 
Kirwan allows that the existence of lead in its na- 
tive state is at present very generally denied; yet he 
thinks that to deny it absolutely is in this, as in 
many other cases, rather rash, particularly as the 
specimen found in Monmouthshire has all the ap- 
pearance of being in a perfect metallic state, and 
no solid proof, deserving attention, nor even a well- 
