166 
INDEX. 
Page 
Page 
Tincal - 107 
Vanadium 
- 
71 
Tin ores - - 68, 81, 90 
Veins, mineral 
- 
- 
85 
Tin plate - - - - 58 
Veinstones - 
85, 
135 
Tin pj^rites 68 
Venetian ball 
- 
- 
129 
Tin smelting - - - 94 
Venetian enamel cakes 
127 
Tin stone - - - 68 
Venetian glass - 
- 
- 
128 
Tiree marble - - - 27 
Venetian plate 
- 
129 
Titaniferous iron ore - - 91 
Vermilion - 
- 
99 
Titanium - - - 62, 71, 79 
Vermilion, native 
- 
- 
85 
Tiza - ----- 107 
Vert antique 
- 
- 
29 
Toad’s-eye tin - - - 68 
Vesuvian - 
- 
115 
Toadstone - - - 23 
Vetro di trina 
- 
- 
129 
Tomb of de Vallence - - 133 
Vibrations, their effect on iron 
- 
100 
Topaz - - - H4, 115 
Vieille montagne zinc - 
- 82, 95 
Topaz, artificial - - - 131 
Vitreous copper ore 
- 
67 
Torbane Hill mineral - - 105 
Vitreous silver ore 
- 
- 
83 
Tortoiseshell ware - - - 122 
Vitreous series 
- 
126 
Totternlioe stone - - - 30 
Vivianite - 
- 
- 
119 
Toughened glass - - - - 128 
Volcanic glass 
- 
116 
Tourmaline - - - 114 
Volcanic products - 
- 
56, 
150 
Towanite 
Triassic fossils - - - 145 
Triassic rocks - - - 153 
Trilobites- - - - 141 
w. 
Trinidad pitch lake - 105 
Tudor ware - - - - 121 
Watcombe terra cotta 
- 
125 
Tungsten - 69 
Wavellite - 
- 
- 
119 
Turkey oilstone - - 39 
Wealden beds 
- 
146 
Turquoise - - - - -119 
Websterite - 
- 
- 
108 
Turtlestones - - - 41 
Wedgwood ware - 
- 
122 
Twyers - - - - 99 
Welsh oilstone - 
- 
- 
39 
Tygs - 122 
Welsh slate 
- 
37 
Type metal - - - 57 
White arsenic 
- 
- 
73 
White lead 
- 
98 
White lead ore 
- 
- 
74 
Whittening 
- 
38 
u. 
Wickersley stones 
- 
- 
38 
Wicklow granite - 
- 
20 
Ultramarine - 116 
Wight, geological models 
of 
part 
Undercliff, Isle of Wight, geological 
of Isle of 
_ 
_ 
136 
model of 1^6 
Witherite - 
108 
Underglaze colours - - - 121 
Wolfram - 
- 
69, 81, 95 
Upper greensand - - - 146 
Wood coal 
_ 
104 
Uranite - - - - - 71 
Wood iron ore 
_ 
. 
76 
Uranium - - - - 71 
Wood, silicified 
_ 
44 
Uranium glass - - - - 130 
Wood tin - 
- 
. 
68 
Uwarowite - - -115 
Woodchester pavement - 
- 
2 
W oodwardite 
- 
- 
67 
Worcester porcelain 
- 
124 
Wrought iron 
- 
- 
99 
Y. 
Wulfenite 
- 
S2 
Valentinite - - “ - - 81 
Vanadinite - - - 71, 75 
