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 |
|---|---|---|---|
| 150 | 2019-03-26 13:06:48 | 44.65 | 96% |