Aspidolite Explained
| Aspidolite |
| Category: | Phyllosilicate |
| Formula: | NaMg3AlSi3O10(OH)2 |
| Imasymbol: | Asp[1] |
| System: | Monoclinic |
| Class: | 2/m |
| Symmetry: | C2/m |
| Unit Cell: | a = 5.291(8), b = 9.16(2), c = 10.12(2) Å |
| Fracture: | Micaceous |
| Opticalprop: | Biaxial (-) |
| References: | [2] |
Aspidolite is a mica group phyllosilicate mineral, the sodium analogue of the magnesium-rich mineral phlogopite. The ideal chemical formula for aspidolite is NaMg3AlSi3O10(OH)2.[2]
Notes and References
- Warr. L.N.. 2021. IMA–CNMNC approved mineral symbols. Mineralogical Magazine. 85. 3. 291–320. 10.1180/mgm.2021.43. 2021MinM...85..291W. 235729616. free.
- Aspidolite, the Na analogue of phlogopite, from Kasuga-mura, Gifu Prefecture, central Japan: description and structural data. Banno. Y.. Miyawaki. R.. Kogure. T.. Matsubara. S.. Kamiya. T.. Yamada. S.. Mineralogical Magazine. 2005. 69. 6. 1047–1057. 10.1180/0026461056960307. 2005MinM...69.1047B. 131500536.
