| Letter | Hint | Answer | % Correct |
|---|---|---|---|
| D | April birthstone | Diamond | 89%
|
| E | May birthstone | Emerald | 86%
|
| R | July birthstone | Ruby | 86%
|
| O | October birthstone birthstone and the national gemstone of Australia | Opal | 83%
|
| S | September birthstone | Sapphire | 82%
|
| J | Stone that was mined in China as early as 6000 BC | Jade | 75%
|
| G | January birthstone | Garnet | 68%
|
| Q | Varieties of this stone include amethyst, citrine, and onyx | Quartz | 67%
|
| A | A blue or turquoise variety of beryl | Aquamarine | 63%
|
| P | Variety of olivine and August birthstone | Peridot | 51%
|
| Z | One of the three birthstones for December | Zircon | 48%
|
| L | A deep blue stone used to make ultramarine, the finest blue pigment used by Renaissance artists | Lapis Lazuli | 45%
|
| M | An opaque, green-banded mineral | Malachite | 25%
|
| T | A Sri Lankan gem that can be bi- or even tri-colored | Tourmaline | 20%
|
| I | A transparent form of cordierite also known as "water-sapphire" | Iolite | 11%
|
| F | A transparent to translucent yellow, orange, or red stone | Fire opal | 10%
|
| K | Pink to lilac colored stone discovered in 1902 and named for Tiffany & Co's chief jeweler at the time. | Kunzite | 9%
|
| B | The very rare-colored state gemstone of Texas | Blue Topaz | 6%
|
| U | A stone that exists in various shades of green and pink and often has a mottled appearance | Unakite | 5%
|
| V | A green, brown, yellow, or blue opaque stone first discovered in blocks or lava from an ancient volcano | Vesuvianite | 4%
|
| C | A pale green to yellow stone that is the third-hardest natural gemstone | Chrysoberyl | 2%
|
| H | Colorless, pale gray, or pale yellow Norwegian stone first described in 1890 | Hambergite | 1%
|
| N | A rare black opaque stone found in Greenland | Nuummite | 1%
|