TIN. 
GENERIC CHARACTER. 
Colour grayish white. 
Crackles when bent. 
Soluble in cold aqua regia, but not in the mineral acids 
separately without heat. 
Melts more readily than other metals. 
SPECIFIC CHARACTER. 
Stannum nativum. S. album nitoris metallici puram. Linn. 
Syst. Nat. Gmel. 3. p. 310. 
Pure tin of a white colour and metallic 
lustre. 
Stannum nudum. Linn. Syst. Nat. xii.3, 
p. 236. no. 1. 
Native Tin. . . Cronst. Miner. 2. p. 6. 26. Kirivan , 
Miner. 2 . p. 196 . Patrin, Hist, des 
Miner. 4. p. 283. Brongn. Miner. 2 . 
p. 188. 
Brongniart says that the existence of native tin 
still remains a problem, and that the specimens 
which have hitherto been regarded as such were 
probably produced by art, and after laying for a 
great length of time in the earth have been brought 
