( 33 8 ) 
56. Whether the Vein be inclofed every way in its Coats 3 or 1 
whether it only lye between them ? 
57. Whether the yein be every way of an uniform breadth 
and thicknefs 5 and, if it be, what thefe Dimenfions are 3 and^ 
?f not 3 in what places it varies 5 and in what meafures ? ( The 
like Queftions are to be made concerning the Sparre y Caul\ 3 and 
other Teguments or mixtures of the Ore ?) 
58. Whether the Vein be un-interrupted, or in fbme places 
,r >ken o fFj and whether it be abruptly 3 or not 5 and whether 
it be by Vales, Brooks, Gullets, &ct 
59. How wide the Interruptions are ? what Signs, whereby 
to find the Vein again ? whether the ulteriour part or divifion 
of the Vein be of the fame Nature 3 and hold on in the fame 
Courfe 3 as to its tendency upwards or downwards , or Hori- 
zontally, Norward 3 Southward, with the Vein , from 
which it is cut off? 
60. Whether , in cafe the laft end of the Vein be found , it 
terminate abruptly, or elfe end in Ibme peculiar kind of Rocjk 
or Earth , which does , as it were, clole Or Seal it up,without 
leaving any crack or cranny, orotherwife? And whether the 
terminating part of the Vein tend upwards, downwards , or 
neither ? And whether in the places,where the Vein is interrup- 
ted, there be any peculiar Stone or Earth, that does, as it were, 
leal up the Extremity of it ? 
61. Whether it be obferved , that the Ore in Trad: of time 
may be brought to afford any Silver or Gold, which it doth not 
afford , or more than it would afford , if it were not fo ripe ? 
And whether it have been found, that the Metalline part of the 
Vein grows fb, that fome part of the Mine will afford Ore or 
Metal in trad of time , that did not fo before? And whether to 
this Maturation of the Mine , the being expofed to the free 
Air be ncceflary 3 or, whether at lead if conduce to the Ac- 
celeration of it 5 or otherwife ? 
62. Whether all the Ore , contained in the Mine , beef the 
felf-fame nature and goodnefs 5 and, if not, what are the 
differing kinds 3 and how to be diferiminated and effimated ? 
63 ^ V Vhat is the finenefs and goodnefs of the Ore, by which 
the Mine is wont to be effimated ? And what are the marks arid 
. . r charaders, 
