Figure \PageIndex1: In nature, the ordered arrangement of ionic solids gives rise to beautiful crystals. (A) Amethyst: a form of quartz, SiO2, whose purple color comes from iron ions. ...Figure \PageIndex1: In nature, the ordered arrangement of ionic solids gives rise to beautiful crystals. (A) Amethyst: a form of quartz, SiO2, whose purple color comes from iron ions. (B) Cinnabar: the primary ore of mercury, is mercury (II) sulfide, HgS. (C) Azurite: a copper mineral, Cu3(CO3)2(OH)2. (D) Vanadinite: the primary ore of vanadium, Pb3(VO4)3Cl. ((A; (A) Mauro Cateb; (B) Parent Géry; (C) Parent Géry; (D) User:vassil/Wikimedia Common…