AM-2021-10011-A · Sideritearchived
physical & structuralrev. 3
| designation | Siderite |
|---|---|
| chemical formula | FeCO₃ |
| classification | Carbonate / Calcite group |
| crystal system | Trigonal |
| mohs hardness | 3.5 – 4.5 |
| density (g/cm³) | 3.84 |
| colour | Tarnished bronze |
| type locality | Cínovec, Krušné hory, Czech Republic |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 184, 283, 1086, 1733
notessubmitter remarks + registry
Submitter cited the type locality. Specimen retained for reference; no chain-of-custody documentation available beyond the submission packet.