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 |
---|---|---|---|
1735 | 2020-11-04 07:13:19 | 95.84 | 97% |