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