SUBJECT INDEX

ALITE, 187.
Alluvial deposits, 71, 128.
Alluvial goldfields, 53; ores re
deposited, 32, 37, 110, 147 ; cop:
per, 95; lead, 107; zinc, 110.
Aluminium, 152-6; production of,
153; uses and separation, 152;
(cf. Bauxite).
Anthracite, 261, 264-5, 268, 271-2,
Antimony, price, 125; qualities,
125; ores of, 125-7; China,
chief producing country, 125;
distribution, 126; formation,
126-7; replacement deposits,
126-7.
Apatite, 200-1.
Arsenic, qualities, 127; ores of,
127-8; association, 127; production,
 128.
‘“ Artesian ”’ wells, 231.
Asbestos, 160-1 ; price, 161 ; varie
ties and uses, 160,
Asphaltic limestones, 32.
BaNKET in South Africa, 57-63;
in West Africa, 51,
Barysphere, 16.
Baum scale, 276.
Bauxite, 30, 153-6; composition,
153 ; formation, 153-4 ; uses and
qualities, 155-6.
Bedded mineral deposits, 31, 154,
199, 201-5; bedded ores—copper,
 82, 93-5 ; ironstones, 144-7 ;
lead, 108; tin, 74-5.
Bentonite, 174.
Block-lode, 8.
Bismuth, 129 ; mainly alluvial, 128;
price, 128 ; uses, 128.
Bittern, 31.
Bitumen veins, 183, 280 (see Coa
and Oil).

Bog iron ores, 31, 147.
Bonanzas, 102.
Bort, 165.
Brea, 280, 282, 289.
Building stones, 175-82 ; air, effect
of, 176; baryta method of preservation,
 181-2; changes of
temperature, effect of, 176; decay,
 causes of, 175; dolomite,
180; Hirschwald’s test of weakening
 by frost, 178; limestones,
180; microscopic examination of,
179; organic agencies, attack by,
176; Panama ‘ breaks,” 179;
Parliament House, decay of
stone, 175, 180; resistance to
shearing, 177; sandstone, 180;
slate, 181; specific gravity of,
178; stone preservation, 181;
tests of durability, 177-8; varieties
 of, 180 ; water, effect of, 176 ;
of Westminster Abbey, 175, 181 ;
wind, cutting action of, 176.
CAPEL, 28.
Carbonado, 165.
Cassiterite, 52, 71.
Celite, 187.
Cements, 185-9; alite, 187 ; celite,
187 ; classification, 185; definition,
 185 ; meaning of name, 185 ;
hydraulic cement, 186; its rediscovery,
 185; its nature, 187;
origin of, 188; qualities, 189.
Gypsum, 188 ; hard plaster, 189;
plaster of Paris, 188. Portland
cement, 187 ; price of, 188.
Chromium, 150-1; distribution,
150-1 ; price, ISI; qualities, 150;
secondary origin of, 151.
Clay, 168-74, 191-4, composition
of, 168; essential properties of,

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