Amazonite vs Biotite
| Property | Amazonite | Biotite |
|---|---|---|
| 化学式 | KAlSi3O8 | K(Mg,Fe)3(AlSi3O10)(OH)2 |
| 晶系 | Triclinic | Monoclinic |
| 鉱物分類 | 09 Silicates | 09 Silicates |
| モース硬度 | 6.0-6.5 | 2.5-3.0 |
| 色 | Green, blue-green | Black, dark brown, dark green |
| 光沢 | Vitreous | Vitreous |
| 条痕色 | White | White to gray |
| 透明度 | Translucent | Translucent |
| 劈開 | Perfect {001}, good {010} | Perfect basal {001} |
| 断口 | Conchoidal to uneven | Uneven |