Nepheline, leucite, and sodalite are minerals allied to the felspars in composition, but with less silica; they are only found in intermediate and basic alkaline rocks. Hypersthene is closely related to augite.
| Game | Time | WPM | Accuracy |
|---|---|---|---|
| 2530 | 2020-12-12 17:12:42 | 131.71 | 99% |