AM-2019-10020-A · Pyritearchived
physical & structuralrev. 4
| designation | Pyrite |
|---|---|
| chemical formula | FeS₂ |
| classification | Sulfide / Pyrite group |
| crystal system | Cubic |
| mohs hardness | 6 – 6.5 |
| density (g/cm³) | 5.06 |
| colour | Iridescent on weathered surface |
| type locality | Bahia, Brazil |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 343, 379, 430
notessubmitter remarks + registry
Donated as part of a university overflow consignment; no individual provenance retained.