In the book "Voyager" by Diana Gabaldon, various gemstones are highlighted for their protective qualities. Among these, amethyst is known for its calming effects and spiritual insights, while emerald represents hope and renewal. Turquoise serves as a talisman for protection and communication, and lapis lazuli is celebrated for its ability to enhance wisdom and self-awareness.

Additionally, the male ruby symbolizes passion and vitality, adding a powerful dimension to the collection of stones. Each of these gems carries unique attributes that contribute to their protective powers, intertwining the physical and metaphysical in the narrative.