P a r t III. Of SKdetals. 
yields from an Ounce of Silver to twenty Ounces. Some 
hath been found to yield half Silver. (a) Moft of it holds 
fome Gold 5 the belt * th part in proportion to the Sil¬ 
ver. (b ) 
GROGUNNION ORE; alfo Black, and Granulated. It 
holds fifty lib. (fterling) per Tun. 
CUMBSIMLOCK ORE, Black, and moft of it Gra¬ 
nulated, immerfed in a blackifh Stone, difperfed throughout 
It holds twenty eight lib. fterling per Tun. This, and fome 
other Welfh Ores, given by Sir Rob. Moray. 
COGINNIAN ORE, holding fifteen lib. fieri, per Tun. 
It runs in Vtins or Layers , rather Grained than Flaked, toge¬ 
ther with yellow Mundick , between two forts of Beds; 
one of whitifh Clay, the other of brown Stone. 
A BLACK and FLAKED SILVER ORE, with fome 
pieces of the Lapis Haematites growing to it. 
ANOTHER Piece FLAKED, from the Forreft of Cre, 
not far from St. Veit in Carbithia, With fome adhering 
Cinnabar of a brown Purple. Given by Dr. Edward 
Brown. 
BLACK FLAKED S. Ore from Freyberge in Mifnia. Here 
are two pieces: one firnple; the other, mixed with white 
Ore and Cinnabar. 
The SCORIUM of the FREYBERGICK S.Ore. Porous, 
of a blackifh gloffy colour, and brittle: qu. Vitrum Ar¬ 
gent i. 
B. FLAKED S. Ore from Kottenberge. 
B. FLAKED S. Ore from Cummuftwitb Rock, It runs in 
Veins , through a blewiihGrey Stone, together with a white, 
hard, and granulated Spar. Tis alfo immerfed in Gram, 
in the Grey Stone. Both the Stones are fohard as to cut 
Glafs. 
CUMSUMLOCK ORE , holding twenty li. fieri, per 
Tun. Tis much like to that of Cummuftwitb. 
ANOTHER like Ore from CORNWALL. Given, with 
feveral others, by Sam. Coleprefs Efq;. It grows together 
with Mundick. and green and yellow Spar. 
Black and fmall FLAKED S. Ore, from the fame place. 
Tis immerfed in a Slate, with yellow Mundick, 
A Piece of Bl. F L A K E D S. Ore growing to a very 
hard Spar, white within, and redifh without, and in- 
cruftated 
925 
(a) Dr. 
Brown s Tra¬ 
vails, p. 91. 
(b) ibid. 
P-S’ 3-1 
