| 种属 | Ab | An |
| 钠长石(albite) | 100%~90% | 10%~0% |
| 更(奥)长石(oligoclase) | 90%~70% | 30%~10% |
| 中长石(andesine) | 70%~50% | 50%~30% |
| 拉长石(labradorite) | 50%~30% | 70%~50% |
| 倍(培)长石(bytownite) | 30%~10% | 90%~70% |
| 钙长石(anorthite) | 10%~0% | 100%~90% |