| Letter | Gemstone | % Correct |
|---|---|---|
| A | Amber/Amethyst/Agate... | 90%
|
| D | Diamond/Dolomite/Diopside | 89%
|
| R | Ruby/Rutile | 87%
|
| E | Emerald/Epidote/Ettringite | 86%
|
| O | Obsidian/Onyx/Opal | 85%
|
| S | Sapphire/Serpentine/Spinel... | 82%
|
| Q | Quartz | 77%
|
| T | Turquoise/Topaz/Tourmaline | 73%
|
| J | Jade/Jet/Jasper | 70%
|
| P | Pearl/Pyrite | 69%
|
| G | Gypsum/Garnet | 56%
|
| Z | Zircon | 49%
|
| B | Beryl/Barite/Bloodstone | 41%
|
| C | Coral/Cinnabar/Carnelian... | 41%
|
| L | Lapis Lazuli | 35%
|
| M | Malachite/Monazite/Moonstone | 35%
|
| F | Feldspar/Fluorite | 24%
|
| H | Hematite | 12%
|
| I | Ivory/Idocrase | 8%
|
| K | Kyanite | 6%
|
| N | Nepheline/Nephrite | 6%
|