Abalone Shell
Aegirine
Afghanite
Agate
African Turquoise
Amazonite
Amber
Amethyst
Ametrine
Ammonite
Amphibole Quartz
Angel Aura Quartz
Angelite
Apache Tears
Apatite
Apophyllite
Aquamarine
Aragonite
Arfvedsonite
Astrophyllite
