AM-2013-00450-A · Cassiteritearchived
physical & structuralrev. 1
| designation | Cassiterite |
|---|---|
| chemical formula | SnO₂ |
| classification | Oxide / Rutile group |
| crystal system | Tetragonal |
| mohs hardness | 6 – 7 |
| density (g/cm³) | 6.99 |
| colour | Brown to black, adamantine |
| type locality | Cínovec, Krušné hory, Czech Republic |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 475, 633, 776
notessubmitter remarks + registry
Twinned crystals on quartz matrix.