AM-2008-10012-A · Sideriteactive
physical & structuralrev. 2
| designation | Siderite |
|---|---|
| chemical formula | FeCO₃ |
| classification | Carbonate / Calcite group |
| crystal system | Trigonal |
| mohs hardness | 3.5 – 4.5 |
| density (g/cm³) | 3.94 |
| colour | Honey brown |
| type locality | N'Chwaning II mine, Northern Cape, South Africa |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 182, 282, 730, 1734
notessubmitter remarks + registry
Donated as part of a university overflow consignment; no individual provenance retained.