What are the powers of all the gems in deltora quest?

Answer 1

According to deltoraquest.wiki, the powers of the gems are as follows:

• The Diamond, talisman and treasure of the Jalis, gives courage and strength, protects from pestilence, and helps the cause of true love. It symbolizes Strength.
• The Emerald, talisman and treasure of the Dread Gnomes, dulls in the presence of evil, and when a vow is broken. It is a remedy for sores and ulcers, and is an antidote to poison. It symbolizes honor.
• The Lapis Lazuli, talisman and treasure of the Mere, is the heavenly stone and is a powerful talisman that protects the wearer from evil.
• The Topaz, talisman and treasure of Del, gives the holder contact with the spirit world, and strengthens and clears the mind. It symbolizes loyalty
• The Opal, talisman and treasure of the Plains people, has the power to give people glimpses into the future, and to aid those with weak sight. It has a special bond with the Lapis Lazuli. It symbolizes Hope.
• The Ruby, talisman and treasure of the Ralads, grows pale in the presence of evil, or when misfortune threatens its wearer. It wards off evil spirits, and is an antidote to snake venom. It symbolizes Joy.
• The Amethyst, talisman and treasure of the Torans, changes color in the presence of illness, pales near poisoned food or drink, and guides the wearer towards sincerity, security, and peace of mind. It symbolizes Truth.

Answer 2

• The Diamond gives courage and strength, protects from plagues, and helps the cause of true love.
• The Emerald dulls in the presence of evil, and when a vow is broken. It is a remedy for sores and ulcers, and is an antidote to poison
• The Lapis Lazuli, talisman and treasure of the Mere, is the heavenly stone and is a powerful talisman that protects the wearer from evil.
• The Topaz gives the holder contact with the spirit world, and strengthens and clears the mind.
• The Opal has the power to give people glimpses into the future, and to aid those with weak sight. The Ruby grows pale in the presence of evil, or when misfortune threatens its wearer. It wards off evil spirits, and is an antidote to snake venom.
• The Amethyst changes color in the presence of illness, pales near poisoned food or drink, and guides the wearer towards sincerity, security, and peace of mind.