AM-2018-10013-A · Chalcopyriteactive
physical & structuralrev. 1
| designation | Chalcopyrite |
|---|---|
| chemical formula | CuFeS₂ |
| classification | Sulfide |
| crystal system | Tetragonal |
| mohs hardness | 3.5 – 4 |
| density (g/cm³) | 4.18 |
| colour | Weakly zoned, peacock blue, weathered surface |
| type locality | Shimen, Hunan, China |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 291, 322, 351
notessubmitter remarks + registry
Photographic record retained. Specimen temperature held at lab ambient throughout intake.