AM-2017-10004-A · Malachitearchived
physical & structuralrev. 3
| designation | Malachite |
|---|---|
| chemical formula | Cu₂(CO₃)(OH)₂ |
| classification | Carbonate / hydrous |
| crystal system | Monoclinic |
| mohs hardness | 3.5 – 4 |
| density (g/cm³) | 4.05 |
| colour | Bright green crusts |
| type locality | Panasqueira, Castelo Branco, Portugal |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 154, 177, 221, 269, 435, 1097
notessubmitter remarks + registry
Macroscopic appearance consistent with malachite; no surface alteration observed at the time of intake.