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Actinolite
Adamantine
Adamite
Aegirite
Agaric Mineral
Agate
Alabaster
Albite
Alkaline rock
Allanite
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Almandine
Alteration
Alumina
Alunite
Amblygonite
Amethyst
Amorphous
Amygdule
Anaclime
Anatase
Andalusite
Andesine
Anglesite
Anhydrite
Annivite
Anorthite
Anthophyllite
Antimonite
Antimony
Apatite
Aphanitic rock
Apophyllite
Aragonite
Arfvedsonite
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Argillaceous
Arsenates
Arsenic
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Asbestos
Atacamite
Augite
Autunite
Axinite
Azurite
Barite
Barytes
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Basic rock
Bauxite
Bedding
Beryl
Beryllium aluminium meta-silicate
Biotite
Bismuth
Bismuthinite
Bituminous rocks
Blende
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Bohemian garnet
Bole
Boracite
Borates
Borax
Bornite
Botryoidal
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Brown Spar
Brucite
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Calcareous
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Cannel Coal
Carbonaceous
Carbonates
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Chalcopyrite
Chalcosine
Chili Saltpetre
Chlorite
Chondrodite
Chromite
Chrysoberyl
Chrysocolla
Chrysostom
Cinnabar
Clastic rock
Clay
Cleavage
Cleveite
Clinozoisite
Cobalt glance
Cobaltite
Coelestine
Colemanite
Columbite
Concretion
Contact metamorphism
Copper
Cordierite
Corundum
Covellite
Cristobalite
Crocoite
Cross-stone
Cryolite
Crystal
Crystal symmetry
Cubic Nitre
Cuprite
Danburite
Datolite
Delvauxite
Destinezite
Detrital sediment
Diamond
Diaspore
Dike
Diopside
Dioptase
Diorites
Dolomite
Dumortierite
Dysodile
Emerald
Emery
Enargite
Enstatite
Epidote
Epsomite
Erythrite
Euclase