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 |
---|---|---|---|
887 | 2018-02-09 13:37:53 | 96.57 | 97% |
338 | 2017-12-19 18:32:42 | 99.49 | 98% |