AM-2024-10003-A · Quartzarchived
physical & structuralrev. 4
| designation | Quartz |
|---|---|
| chemical formula | SiO₂ |
| classification | Tectosilicate / Quartz group |
| crystal system | Trigonal |
| mohs hardness | 7 |
| density (g/cm³) | 2.66 |
| colour | Slightly tarnished, smoky brown |
| type locality | Boudi, Souss-Massa, Morocco |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 129, 209, 264, 355
notessubmitter remarks + registry
Specimen accompanied by a single typewritten card listing the locality and the year of collection. Original collection number illegible due to ink fade.