'zH 
METALS. 87. Plumbum. 
Native lead, Kir^an miner, z. p. 202. 
Native lead. SchmeiJJer mineral. 2. /i, 16S. . 
Found in Manmouthjhire, Poland, and $ilejia: though it is 
doubted whether lead is ever found in its pcrfefl nicta**' 
Hate. 
achraceum. Pulverulent, without lullre, totally foluble in nitric 
with effervefcence, ealiiy reducible to a metallic 
on charcoal. 
Ochra plombt. Syji. nat, xii. 3./. 193. n. 7. 
Plumbum terrcum. Wall. fist. z. p. y\i. n. ly 
Earthy lead ore or ochre. Kirnxian 2. p. 207. 
While opake lead ore. SchmeiJJer 2. p. jpi. 
Earthy lead ore. Phomfia them. 4. f. 73. 
Found in the various lead mines of Great-Br/tain, Saxonj, 
many, &c. in a lool'e earthy ftatc, and generally feated o'] 
galena: colour white, grey, red or yellow ; it becomes re<* 
when expolcd to a fufficient heat, and contains a conliderabl'^ 
portion of carbonic acid gas: it yields from 60 td Soper cen'' 
of lead. 
urretm. Indurated, without luftrc, earthy internally, foluble 
nitric acid with effervefcence. 
Plumbum terreftre. Wall. fift. 2. p. 210. n. 10, 
Earthy indurated lead ore. Kirnxan 2. p. 205. 
.White opake lead ore. Sehmeiffer 2. p. 1 7 1 . 
Earthy lead ore. Thomfia chrm. 4. p. 73. 
Found with the iaft, of which it feems only an indurated var>' 
ety, in larger or lefs mad’es intermixed with other ores an® 
foifils, in various ftiades of white, grey, blue, yellow, red 
brotj^n. 
mautuns, Greafy to the touch, lamellar, of a fllvery colour zni 
luftre. 
Bofi fichr. btrl naturf. 8. 204. 
Found in the mines of the Hara, and confilts of numerous plated 
incumbent on each other. 
vifreumt Semitranfparent, brittle, of a glaffy texture and luftre, 
common form. 
Woulf PhiloP. Tranfi 66. 2. x, 43. 
Glafsoflead. Kirrujan mineral. 2. p. 204. 
Glafs of lead. SehmtiJJ'er mineral. 2. p. 176. 
Found in Somsrfefjhire, and the lead-hills in Scotland, in Frand* 
Saxony, Ssberia, Hungary, Sec. colour white, grey, or y^l' 
lowilh-green : texture couchoidal or fplictery : it does 
elFervefce with nitric acid. 
