| Month | Birthstone | % Correct |
|---|---|---|
| July | Ruby | 94%
|
| April | Diamond | 93%
|
| May | Emerald | 89%
|
| September | Sapphire | 83%
|
| October | Opal or Tourmaline | 70%
|
| November | Topaz or Citrine | 64%
|
| February | Amethyst | 63%
|
| June | Pearl, Moonstone, or Alexandrite | 62%
|
| January | Garnet | 50%
|
| March | Aquamarine or Bloodstone | 44%
|
| December | Turquoise, Zircon, or Tanzanite | 38%
|
| August | Peridot | 32%
|