AM-2009-10001-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 | Milky white |
| type locality | South Crofty mine, Cornwall, England |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 463, 695, 809, 1086, 1163
notessubmitter remarks + registry
Standard quartz reference specimen. Supplied as a single piece on a small fragment of host matrix.