AM-2014-10008-A · Chalcopyritearchived
physical & structuralrev. 1
| designation | Chalcopyrite |
|---|---|
| chemical formula | CuFeS₂ |
| classification | Sulfide |
| crystal system | Tetragonal |
| mohs hardness | 3.5 – 4 |
| density (g/cm³) | 4.20 |
| colour | Peacock blue, weathered surface |
| type locality | Erongo Mountains, Erongo, Namibia |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 291, 321, 351
notessubmitter remarks + registry
Donated as part of a private estate; no individual provenance retained.