AM-2009-10007-A · Smithsonitearchived
physical & structuralrev. 1
| designation | Smithsonite |
|---|---|
| chemical formula | ZnCO₃ |
| classification | Carbonate / Calcite group |
| crystal system | Trigonal |
| mohs hardness | 4 – 4.5 |
| density (g/cm³) | 4.44 |
| colour | White |
| type locality | Sa Duchessa mine, Sardinia, Italy |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 303, 733, 1093, 1730
notessubmitter remarks + registry
Macroscopic appearance consistent with smithsonite; no surface alteration observed at the time of intake.