AM-2016-10001-B · Pyrite, anomaly under reviewunverified
The classification below is preliminary. Spectroscopic confirmation is incomplete; values shown reflect the most recent analytical pass and may be revised without notice.
physical & structuralrev. 3
| designation | Pyrite, anomaly under review |
|---|---|
| chemical formula | FeS₂ |
| classification | Sulfide / Pyrite group |
| crystal system | Cubic |
| mohs hardness | 6 – 6.5 |
| density (g/cm³) | 5.03 |
| colour | Brass yellow, fresh fracture |
| type locality | Outokumpu, North Karelia, Finland |
raman spectroscopy532 nm · pass B
reported peaks (cm⁻¹): 344, 381, 431
notessubmitter remarks + registry
Resistivity at 280 K is one decade lower than the published bulk value for stoichiometric pyrite. The discrepancy persists after 600 K thermal anneal. EDX confirms stoichiometric Fe:S ratio within instrument precision.