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 |
---|---|---|---|
478 | 2017-02-06 11:25:20 | 52.92 | 85% |
265 | 2017-01-26 15:55:47 | 44.21 | 85% |