Calcite
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| Calcite[1][2] | |
| |
| Mineralogical name | Calcite |
| Chemical name | Calcium carbonate |
| Trivial name | Calc spar |
| Chemical formula | CaCO3 |
| Other forms | CaCO3•H2O CaCO3•6H2O |
| Crystal system | trigonal |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | 0,014 g/l (25°C) |
| Density (g/cm³) | 2,72 g/cm3 |
| Molar volume | |
| Molar weight | 100,09 g/mol |
| Transparency | transparent to opaque |
| Cleavage | perfect |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | well soluble in 2M HCl |
| Crystal Optics | |
| Refractive Indices | no = 1,658 ne = 1,486 |
| Birefringence | Δ = 0,172 |
| Optical Orientation | negative |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| {{{Literature}}} | |
back to Carbonate
Weblinks[edit]
- ↑ http://webmineral.com/data/Calcite.shtml viewed on 09/06/2011
- ↑ http://www.mindat.org/min-859.html viewed on 09/06/2011