Warwick, in America, rutile of, 66
Wechselburg, in Saxony, gneiss of, 239

nodular or spotted schist of, 257
Weigmannsdorf, in Saxony, gneiss of,
238

Weinheim, porphyry near, 219
Weisig, near Dresden, hornblende-por-
phyrite of, 172
Weissenborn, gneiss of, 238

Weissenfels, in Thuringia, kaolin-sand-
stone of, 297

Weissritzthal, in Saxony, minette of the,
174

Wenlock, sandstone of, 301

Weser Mountains, bituminous shale of
the, 338

Weslau, near Redwitz, granite of, 205
Westmoreland, limestone of, 285

Westphalia, conglomerate of, 303
Hils clay of, 270

Hils sandstone of, 299
marl of, 273
porphyrite of, 170

serpulite limestone of, 284

-

Wettin, coals of, 333

Wexford, garnet of, 40

Whitby, dogger sandstone of, 299
Wicklow, freestone of, 298

Wiegersdorff, black melaphyre of, 166
Wiener Neustadt, granulite of the
Glocknitzer Schossberg at, 231
Wiersberg, in the Fichtelgebirge, chlo-
rite-schist of, 250

Wight, Isle of, glauconite of the, 27
Wilsdruff, in Saxony, hornblende-por-
phyrite of, 171

Winterstein, in the. Thuringian Forest,
quartz-porphyry of, 217

Wittichen, in the Black Forest, kinzigite
of, 320

Wolkenburg, in the Siebengebirge, tra-

chyte of, 186, 188, 191

Würtemburg, bituminous shale of, 338
Wurzen, in Saxony, green porphyry of,

- granular limestone of, 277

in the Erzgebirge, mica-schist near,
244

Zbirow, in Bohemia, wavellite of, 55
Zealand, New, nephrite and jade of, 18
olivine of, 39

siliceous tuff of, 349

Zebernick, in Hungary, talc-schist of,
252

Zell, in the Fichtelgebirge, serpentine of,
317

Zelle, near Nossen, schalstein of, 311
Zermatt, perofskite of, 45
Ziegenrücken, near Hohenelbe, porphy-.
rite of, 170

Zillerthal, in the Tyrol, amphilogite-
schist of 244

ACI

Andesite, 185, 191

BAR

Anhydrite, characteristics and occur-
rence of, 48, 290, 293

Ankerite, characteristics and occurrence
of, 57, 355

Anorthite, characteristics and occur-
rence of, 12

Anthracite, characteristics and occur-
rence of, 335
Anthraconite, 277

Antimony-glance, occurrence of, 357
Apatite, characteristics and occurrence
of, 53

Aphanite, characteristics and occurrence
of, 157

varieties in texture of, 158

in composition of, 159
Aplite, or semi-granite, 207
Aplome garnet, 40

Apophyllite, characteristics and occur-
rence of, 30

Aragonite, characteristics and occur-