AM-2010-10004-A · Rutilearchived
physical & structuralrev. 3
| designation | Rutile |
|---|---|
| chemical formula | TiO₂ |
| classification | Oxide / Rutile group |
| crystal system | Tetragonal |
| mohs hardness | 6 – 6.5 |
| density (g/cm³) | 4.22 |
| colour | Black, prismatic crystals |
| type locality | Toroku mine, Miyazaki, Japan |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 235, 448, 611
notessubmitter remarks + registry
Photographic record retained. Single-pass examination only; no follow-up planned.