A3: Kamfaninmu yana samar da nau'o'in kayan ma'adinai iri-iri, ciki har da amma ba'a iyakance ga pigments na baƙin ƙarfe oxide ba, farin carbon baki, wollite foda, tourmaline foda, gilashin gilashin gilashi, kaolin, calcium carbonate, talc foda, dutsen volcanic, dutsen likita, da dai sauransu.