AM-2024-10006-A · Pyromorphitearchived
physical & structuralrev. 2
| designation | Pyromorphite |
|---|---|
| chemical formula | Pb₅(PO₄)₃Cl |
| classification | Phosphate / Apatite supergroup |
| crystal system | Hexagonal |
| mohs hardness | 3.5 – 4 |
| density (g/cm³) | 7.07 |
| colour | Bright green, hexagonal prisms |
| type locality | Kashio mine, Nagano, Japan |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 407, 920, 1042
notessubmitter remarks + registry
Specimen accompanied by a single typewritten card listing the locality and the year of collection. No further provenance information.