AM-2019-10009-A · Quartzarchived
physical & structuralrev. 2
| designation | Quartz |
|---|---|
| chemical formula | SiO₂ |
| classification | Tectosilicate / Quartz group |
| crystal system | Trigonal |
| mohs hardness | 7 |
| density (g/cm³) | 2.66 |
| colour | Colourless, transparent |
| type locality | Shimen, Hunan, China |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 127, 208, 262, 1084, 1161
notessubmitter remarks + registry
Submitter cited the type locality. Specimen retained for reference; no chain-of-custody documentation available beyond the submission packet.