1. agate   opale   turchese   diamante   agata   Hint Half-n-half Clue   2. opal   diamante   opale   turchese   smeraldo   Half-n-half Clue   3. ruby   rubino   diamante   ametista   onice   Half-n-half Clue   4. sapphire   smeraldo   zaffiro   onice   agata   Half-n-half Clue   5. pearl   perla   turchese   giada   zaffiro   Half-n-half Clue   6. onyx   agata   onice   giada   zaffiro   Half-n-half Clue   7. amethyst   onice   ametista   turchese   rubino   Half-n-half Clue