OK
Here we go....
Achroite, Adularia, Agate, Alabaster, Albite, Alexandrite, Almandine, Amazonite, Amber, Amblygonite, Ambroid, Amethyst, Ametrine, Andalusite, Andradite Garnet, Anglesite, Apatite, Aquamarine, Aragonite, Australite, Aventurine Quartz, Aventurine Feldspar, Axinite, Azurite, Abalone, Agate, Ammonite..............
There are many more I am sure, so let me know by email and I will add it to the list.
