Acetic Acid	Alkene	Anorthite
Acetone	Alkyne	Apatite
Acetylene	Amethyst	Aphanitic
Acid	Amide	Aquamarine
Acidic	Amine	Aragonite
Actinole	Amino Acid	Argentite
Activation Energy	Amphibole	Aromatic
Acyl Halide	Andesitic	Arsenopyrite
Akaganéite	Angelsite	Asbestos
Albite	Anhydrite	Atomization Energy
Alcohol	Anhydrous Iron Oxide	Augite
Aldehyde	Anion
Alkane	Anisodemic Crystal