156 
INDEX, 
A. 
Aberdeen granite - 
Page 
19 
Adularia 
- 116 
Aerolites 
- 54 
Aerosiderites 
- 54 
African minerals - 
- 91 
Agalmatolite 
- 1 ] 8 
Agate 
- 39,49,54,113 
Agate ware 
- 122 
Aikenite 
- 69 
Alabandine 
- 80 
Alabaster - 
- 28, 40, 109 
Albertite - 
- 104 
Albite - 
- 116 
Alhambra tiles 
- 120 
Alloys 
60 
Almandine 
- 115 
Alps, model of 
- 136 
Alstonite - 
- 108 
Alum - 
- 108, 153 
Alum shale 
- 108 
Alumina 
- 39, 113 
Aluminium 
56 
Aluminium bronze 
- 57 
Amalgamation 
- 98 
Amazon stone 
- 116 
Amber 
- 105 
Amethyst 
- 1 12 
Amethystine glass 
- 130 
Ammonites - 
31, 145, 153 
Ammonite marble - 
- 26 
Amphibole - 
- 117 
Analcime - 
- 118 
Anatase 
- 14, 71, 79 
Anglesey serpentine 
- 29 
Anglesite 
- 75, 82 
Anhydrite - 
- 15, 40, 109 
Anthracite 
- 104 
Antigorite - 
118 
Antimonite 
- 13, 72 
Antimony - 
- 57 
Antimony blende 
- 81 
Antimony cup 
- 57 
Antimony glance 
- 72, 81 
Antimony ores 
13, 72, 81, 89, 91 
Apatite - 
- 43,90, 110 
Apoenite - 
- 42 
Apophyllite - 
Page 
- 118 
Aquamarine 
- 114 
Aragonite - 
- 110 
Archaean rocks 
- 152 
Argentite - 
- 13, 83 
Arkansite - 
- 79 
Arkose - 
- 35 
Arran, geological model of 
- 6, 136 
Arsenic ores 
73, 85, 96 
Arsenical iron pyrites - 
- 73 
Arsenical mundic - 
- 96 
Arsenious oxide - 
- 96 
Artificial gems 
- 131 
Artificial graphite 
- 103 
Artificial pearls 
- 131 
Artificial stone 
- 42 
Asbestos 
- 90, 117 
Ascension Island iron-ore 
49 
Asphalt - 
- 105 
Assyrian bricks - 
- 120 
Assyrian glass 
- 128 
Asteria - 
- 114 
Atacamite - 
- 78 
Augite - 
- 116 
Australian gems - 
- 89 
Australian gold 
- 51, 89 
Australian gold mine, model of - 135 
Australian minerals - 
43, 51, 89 
Auvergne, model of - 
- 48 
Aventurine 
- 46, 112 
Aventurine felspar 
- 116 
Aventurine glass - 
- 131 
Axmouth landslip, geological model 
of 
- 136 
Ayr stone - 
- 39 
Azurite - 
- 67 
B. 
Babylonian bricks - 
- 120 
Banded veinstone 
- 86 
Banket - 
92 
Barium minerals - 
- 108 
Barometer, glycerine 
- 145 
Barrel quartz - 
- 91 
Barytes - 
- 108 
Baryto-calcite - 
- 108 
Barnsley coal section 
- 137 
