328 
Of Tin, Lead, and Iron. Part III. 
CHAP. II. 
Of TIN, LEAD, and IRON. 
APiece of pure TIN, refined in the Furnace. 
Pure TIN, Native, or from the Mine. It lies as it 
were in bright drops in a brown Stone. 
CRUDE TIN powder d, confifting of fhining black and 
Iron-colour'd Grains. 
TIN-ORE, holding Silver. 
FAT TIN LOAD, of a great Grain, in ablewifh Clay. 
'Tis a Gutter of Cryftals like black Glafs. 
* Another piece alfo very FAT, but (mailer Grain d 5 con- 
fifting rather of fparks. 
A SHOAD, a FAT TIN-Stone fo call'd 5 >of an Iron 
colour, with fome glofs where it is broken. Very pon- 
derous. 
A fort of TIN ORE, with itsGrewt. That is, a Con- 
geries of Cryftals or Sparks of Spar of the bignefsof Bay- 
Salt, and of a brown fhining colour, immerfed therein. 
They are fo hard, as to cut Glafs. 
TIN ORE, confifting of extream fmall black Sparks or 
Grains, immerfed in a green and yellow Grit. 
TIN ORE, of an Okje colour, with a mixture of black 
fhining Sparks. 
A Specimen of GRAIN-TIN ORE of feveral colours $ 
/f.'blackifh, brownifti,purpli(h, redifh, and yellow. So good, 
that they need little or no preparation, by ftamping or 
drefting for blowing : neither is there any confiderable 
waft in the melting. 
A SLAG, remaining in the bottom of the Tin-Floate. 
Sent by Mr. Coleprefs. Of a bright colour next to Silver. 
Yet contains ( faith he, moftly ) Iron 3 which he acciden- * 
tally perceived, by applying the Magnet to it, both quickly 
uniting. But note, that now, at leaft, they will not, unlefe 
you take fmall Sparks only, and thefe will leap up to it. He 
alfo faith, That one Dr. Stall a German Chymift, affirmed, 
the Dutchmen make good fpelter of it. 
SCUM taken from melted TIN. Of a blacki(h brown, 
with 
