AM-2017-10005-A · Aragonitearchived
physical & structuralrev. 2
| designation | Aragonite |
|---|---|
| chemical formula | CaCO₃ |
| classification | Carbonate / Aragonite group |
| crystal system | Orthorhombic |
| mohs hardness | 3.5 – 4 |
| density (g/cm³) | 2.94 |
| colour | Colourless to pale brown |
| type locality | Tsumeb, Otjikoto, Namibia |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 153, 208, 704, 1575
notessubmitter remarks + registry
Photographic record retained. Specimen temperature held at lab ambient throughout intake.