A B C – D E F G H – I J K L M N O P – Q R S T U V W X Y Z
D E F G H
| Gemstone | Hardness |
|---|---|
| Danburite | 7-7 ½ |
| Diamond | 10 |
| Diaspore | 6 ½ -7 |
| Dumortierite | 7-8 ½ |
| Emerald | 7½-8 |
| Epidote | 6-7 |
| Euclase | 7 ½ |
| Ferro-Axinite | 6 ½ -7 |
| Forsterite | 7 |
| Gadolinite | 6 ½ -7 |
| Gahnite | 7½-8 |
| Galaxite | 7½-8 |
| Garnet | 6 ½ -7 ½ |
| Grandidierite | 7-7 ½ |
| Grossular | 6 ½ -7 |
| Hambergite | 7 ½ |
| Hancockite | 6-7 |
| Helvite | 6-6 ½ |
| Hiddenite | 6 ½ -7 |
| Holtite | 8½ |
| Humite | 6 |
| Huributite | 6 |
| Hyalophane | 6-6 ½ |
