PAGE
False amethyst -
186
chrysolite - - - 132
emerald
....
186
lapis ... 157
ruby ....
186
topaz - - - - 186
Feldspar - - - - 175
Fergusonite ... - 140
Fire opal - - - - 161
Flame opal -
161
Flint - - - - - 158
Florentine diamond - - - 68, 74
Fluorescence - - - 35, 186
Fluorite
186
Fluorspar - - - - 186
Fool's gold
189
Fowlerite - - - - 194
Gadolinite
140
Gagat..... 211
Garnet
127
Gems, apostolic - - - 65
distinguished from precious stones 3
Israelitish ... 65
mining of - - - 8, 12
mounting of
48
nature of - - - - 1
occurrence of
4
Scriptural - - - - 61
valuation of
50
Gem gravels - - - 5, 9
Geyserite .... 160
Gibraltar stone - - - 204
Girasol - - - 161
Golden beryl - - - 98, 103
Golden opal
161
Great Mogul diamond - - - 74
Green star stone - - - 191
Grossularite -
127
Gypsum
204
Hair stone - - - 148
Hardness of gems - - - 17
Harlequin opal -
161
Hawk's-eye -
149
Heavy liquids - - - - 21
Heliotrope - - - 153
Hematite - - 188, 220
Hiddenite
118
Honduras, opals of - - 163
Hope Blue diamond - - 68
Hornstone ....
158
Hungarian opals ... 162
Hyacinth - - 109, 110, 116
Hyalite
160
Hydrophane
....
160
Hypersthene - - - 169
22
