- Page 1: MMMMMN
- Page 7 and 8: GEMSNOTES AND EXTRACTSBYAUGUSTO CAS
- Page 9 and 10: CONTENTS.INTRODUCTION.General Obser
- Page 11 and 12: INTRODUCTION.GENERAL OBSERVATIONS.M
- Page 13 and 14: INTRODUCTION.Chemical discoveries v
- Page 15 and 16: INTEODUCTION. 5The natural characte
- Page 17 and 18: INTBODUCTION. 7represents the speci
- Page 19 and 20: INTRODUCTION. 9Many crystals presen
- Page 21 and 22: INTRODUCTION. 112. HISTORY AND VALU
- Page 23 and 24: INTRODUCTION. 13lets, which, were g
- Page 25: INTRODUCTION. 151. Hardness. 5. Che
- Page 30 and 31: 20 GEMS.THIS stone isresembles sea-
- Page 32 and 33: 22 GEMS.III.AGATE.So called from th
- Page 34 and 35: 24 GEMS.deservedly, on account of t
- Page 36 and 37: 26 GEMS.There are mines of alabastr
- Page 38 and 39: 28 GEMS.The specific gravity of alm
- Page 40 and 41: 30 GEMS.VII.AMBER.ALTHOUGH amber is
- Page 42 and 43: 32 GEMS.as amber resin, which is us
- Page 44 and 45: 34 GEMS.Prussia, Hungary, Spain, Fr
- Page 46 and 47: 36 GEMS.times red, gray, or yellow.
- Page 48 and 49: 38 GEMS.They were of a whitish colo
- Page 50 and 51: 40 GEMS.XII.IVORY.ALTHOUGH ivory is
- Page 52 and 53: 42 GEMS.dominant taste in the vario
- Page 54 and 55: 44 QJEMB.ness, excelled all other a
- Page 56 and 57: 46 GEMS.abundance, and found in all
- Page 58 and 59: 48 GEMS.uncut diamonds; most freque
- Page 60 and 61: 50 GEMS.The calcedony is semi-trans
- Page 62 and 63: 52 GEMS.the cause of the difficulty
- Page 64 and 65: 54 GEMS.The carbon of which we spea
- Page 66 and 67: 5GGEMS.for base has two rectangles.
- Page 68 and 69: 58 GEMS.XXIV.COCOA DIPERLA.THIS pro
- Page 70 and 71: GOGEMS.by the great number of such
- Page 72 and 73: 62 GEMS.carefully in order to enric
- Page 74 and 75: 64 GEMS.crystals, and is not made b
- Page 76 and 77:
GGGEMS.torrents. The Hindoos increa
- Page 78 and 79:
C8GEMS.Alumina .. .. .. ..71Silex 1
- Page 80 and 81:
70 GEMS.Finally, the chrysolite of
- Page 82 and 83:
72 GEMS.It was much used in jewelle
- Page 84 and 85:
74 GEMS.XXXIII.DIAMOND.THE ancients
- Page 86 and 87:
76 GEMS.Placed in the hydrostatic b
- Page 88 and 89:
78 GEMS.a phlogistic material in a
- Page 90 and 91:
80 GEMS.We only know that the Greek
- Page 92 and 93:
82 GEMS.The central point of the mi
- Page 94 and 95:
84 GEMS.into Europe the ideas which
- Page 96 and 97:
S(JGEMS.praise in this difficult wo
- Page 98 and 99:
88 GEMS.sets." Double brilliants ar
- Page 100 and 101:
90 GEMS.The extraordinary valueHIST
- Page 102 and 103:
92 GEMS.in the pontifical treasury,
- Page 104 and 105:
94 GEMS.A brilliant of pyramidal fo
- Page 106 and 107:
96 GEMS.Doorannee, founder of the A
- Page 108 and 109:
98 GEMS.)Russian Courts. After long
- Page 110 and 111:
100 GEMS.THE ARTIFICIAL DIAMOND.Fro
- Page 112 and 113:
102 GEMS.on the sides of the receiv
- Page 114 and 115:
104.GEMS.the agate jasper and the o
- Page 116 and 117:
106 GEMS.Almost all the Gnostic gem
- Page 118 and 119:
108 GEMS.XXXVI.HEMATITE.THE hematit
- Page 120 and 121:
110 GEMS.namon or cannellina, on ac
- Page 122 and 123:
112 GEMS,XL.FLUORINE.THIS substance
- Page 124 and 125:
114 GEMS.XLLGAGAT,OR GREEK JET.THIS
- Page 126 and 127:
116 GEMS.Zirconium .. .. 64*5Silex
- Page 128 and 129:
118 GEMS.has not been possible for
- Page 130 and 131:
120 GEMS.Some authors confound the
- Page 132 and 133:
122 GEMS.very many qualities of gar
- Page 134 and 135:
124 GEMS.The extreme fineness of th
- Page 136 and 137:
126 GEMS.Silex 35-48Alumina .. .. 1
- Page 138 and 139:
128 GEMS.America, the name of Vesuv
- Page 140 and 141:
130 GEMS.L.HYPERSTHENUM.THE great h
- Page 142 and 143:
132 GEMS.their value, as an iridise
- Page 144 and 145:
134 GEMS.It is certain that the Cou
- Page 146 and 147:
136 GEMS.China, Bucharia and Persia
- Page 148 and 149:
138 GEMS.LY.LAVA.THIS natural produ
- Page 150 and 151:
140 GEMS.How long does Nature take
- Page 152 and 153:
.Theophrastus142 GEMS.The lumachell
- Page 154 and 155:
144 GEMS.This variety is most rare,
- Page 156 and 157:
146 GEMS.more or less, in it, accor
- Page 158 and 159:
148 GEMS.the Latin verb micare, to
- Page 160 and 161:
150 GEMS.The most ancient works in
- Page 162 and 163:
152 GEMS.LXYII.NICCOLO.A VARIETY of
- Page 164 and 165:
154 GEMS.Silex .. .. 95-00Alumina .
- Page 166 and 167:
156 GEMS.The Vesnvian olivine is cr
- Page 168 and 169:
158 GEMS.LXXILOPAL.THE gem is a hyd
- Page 170 and 171:
160 GEMS.Mexico, in a variety of tr
- Page 172 and 173:
162 GEMS.Petersburg, to whom it was
- Page 174 and 175:
164,GEMS.bear witness to the high d
- Page 176 and 177:
166 GEMS.were produced, which, from
- Page 178 and 179:
108 GEMS.Now it is not much, valued
- Page 180 and 181:
170 GEMS.Bivalves in which pearls a
- Page 182 and 183:
172 GEMS.The barocche pearls are ra
- Page 184 and 185:
174 GEMS.mendable moderation ; for,
- Page 186 and 187:
176 GEMS.or silver fish, when washe
- Page 188 and 189:
. 1178 GEMS.LXXIX.PYROXENUM.THIS na
- Page 190 and 191:
180 GEMS.The pyroxenum Jiederibergi
- Page 192 and 193:
182 G-EM8.gave it we cannot know wh
- Page 194 and 195:
184 GEMS.largely red, green, and bl
- Page 196 and 197:
186 G.EM8.confusion was perpetuated
- Page 198 and 199:
188 GEMS.LXXXYLRUBY.BY this name, w
- Page 200 and 201:
190 GEMS.An Oriental ruby maybe con
- Page 202 and 203:
192 GEMS.that, in his time, carbunc
- Page 204 and 205:
194: GEMS.di Fassa, in the Tyrol, i
- Page 206 and 207:
196 GEMS.The balais is often found
- Page 208 and 209:
198 GEMS.us that this gem is found
- Page 210 and 211:
200 GEMS.called sard on account of
- Page 212 and 213:
202 GEMS.Although composed of but t
- Page 214 and 215:
204 GEMS.Between the emerald corund
- Page 216 and 217:
206 GEMS.A great number of emeralds
- Page 218 and 219:
208 GEMS.work of the ninth century,
- Page 220 and 221:
210 GEMS.on which is represented, w
- Page 222 and 223:
212 GEMS.Emery is most useful in al
- Page 224 and 225:
214 GEMS.The substance composing st
- Page 226 and 227:
216 GEMS.The Oriental topaz is a cl
- Page 228 and 229:
218 GEMS.(in suo virenti genere) is
- Page 230 and 231:
220 GEMS.In France it is found in a
- Page 232 and 233:
222 GEMS.the day, and insisted that
- Page 234 and 235:
224 GEMS.wheel with difficulty. It
- Page 236 and 237:
226 GEMS.The sapphire is also divid
- Page 238 and 239:
228 GEMS.The Western sapphire is a
- Page 240 and 241:
230 GEMS.this stone ishighly prized
- Page 242 and 243:
232 GEMS.named Ferret, "bought it f
- Page 244 and 245:
234 GEMS.EPILOGUE.AFTER having care
- Page 246 and 247:
236 GEMS.quartz, amongst whoseameth
- Page 248 and 249:
238 GEMS.7th. Of felspars:amongstit
- Page 250 and 251:
240 GEMS.Besides the mineralogical
- Page 252:
LONDON :PUINTED BY WILLIAM CLOWES A