Category | Oxide mineral |
Formula (repeating unit) | γ-AlO(OH) |
Crystal symmetry | Orthorhombic 2/m 2/m 2/m |
Unit cell | a = 3.693 Å, b = 12.221 Å, c = 2.865 Å; Z = 4 |
Category | Oxide mineral – Hematite group |
Formula (repeating unit) | Aluminium oxide,Al 2O 3 |
Crystal symmetry | Trigonal (32/m) |
Unit cell | a = 4.75 Å, c = 12.982 Å; Z=6 |
原文由 洪星二锅头(coime) 发表:
和刚玉相比,水软铝石因为含有羟基,受电子轰击易受损伤,因此可以初步判断你的第一幅为水软铝石的可能性比较大
做了个简单的标定,没有完全验证其正确性,有时间再试试第二图的标定,lz可以参考
另外建议lz以后对于这类矿物的衍射谱,最好能提供具体的晶格常数或pdf卡片,为前来参加讨论的版友节省时间,也便于你得到更加直接快捷的答复
Category Oxide mineral Formula
(repeating unit)γ-AlO(OH)
Crystal symmetry Orthorhombic 2/m 2/m 2/m Unit cell a = 3.693 Å, b = 12.221 Å, c = 2.865 Å; Z = 4
Category Oxide mineral – Hematite group Formula
(repeating unit)Aluminium oxide,Al
2O
3
Crystal symmetry Trigonal (32/m) Unit cell a = 4.75 Å, c = 12.982 Å; Z=6