AM-2013-10021-A · Magnetitearchived
physical & structuralrev. 3
| designation | Magnetite |
|---|---|
| chemical formula | Fe₃O₄ |
| classification | Oxide / Spinel group |
| crystal system | Cubic |
| mohs hardness | 5.5 – 6.5 |
| density (g/cm³) | 5.11 |
| colour | Black, metallic to submetallic |
| type locality | Daoping mine, Guangxi, China |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 303, 540, 666
notessubmitter remarks + registry
Photographic record retained. Single-pass examination only; no follow-up planned.