Free Radical Oxides
Brochantite, Chalcanthite, Diaspor, Eglestonite,
Manganese, Owyheeite, Selenite, Tenorite, Ussingite,
Vivianite
Frigidity:
Carnelian, Rhodolite Garnet, Hummerite, Uvarovite,
Valentinite
Frost Bite
Jeremejevite, Pinakiolite
Fungal Infections
Moss Agate, Periclase, Ruby Aura Quartz, Willemite
Fungus:
Faustite, Forsterite, Thomsonite