AM-2020-10007-A · Smithsoniteactive
physical & structuralrev. 1
| designation | Smithsonite |
|---|---|
| chemical formula | ZnCO₃ |
| classification | Carbonate / Calcite group |
| crystal system | Trigonal |
| mohs hardness | 4 – 4.5 |
| density (g/cm³) | 4.43 |
| colour | Botryoidal blue-green |
| type locality | Anjanabonoina, Madagascar |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 194, 305, 730, 1093, 1732
notessubmitter remarks + registry
Submitter cited the type locality. Specimen retained for reference; no chain-of-custody documentation available beyond the submission packet.