AM-2010-00088-A · Calcitearchived
physical & structuralrev. 2
| designation | Calcite |
|---|---|
| chemical formula | CaCO₃ |
| classification | Carbonate / Calcite group |
| crystal system | Trigonal |
| mohs hardness | 3 |
| density (g/cm³) | 2.71 |
| colour | Colourless, transparent |
| type locality | Eskifjörður, Iceland |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 156, 282, 712, 1086
notessubmitter remarks + registry
Iceland-spar habit; double refraction observed.