AM-2020-10002-A · Marcasitearchived
physical & structuralrev. 1
| designation | Marcasite |
|---|---|
| chemical formula | FeS₂ |
| classification | Sulfide / Marcasite group |
| crystal system | Orthorhombic |
| mohs hardness | 6 – 6.5 |
| density (g/cm³) | 4.90 |
| colour | Tarnishing dull |
| type locality | Bahia, Brazil |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 323, 386
notessubmitter remarks + registry
Marcasite of ordinary appearance and habit. Used as a calibration reference during the analytical pass.