Formicaite: Difference between revisions
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|Crystal_Habit = | |Crystal_Habit = | ||
|Twinning = | |Twinning = | ||
|Refractive_Indices =n<sub>o</sub> = 1 | |Refractive_Indices =n<sub>o</sub> = 1.553<br> n<sub>e</sub> = 1.573 | ||
|Birefringence =Δ = 0 | |Birefringence =Δ = 0.020 | ||
|optical_Orientation =positive | |optical_Orientation =positive | ||
|Pleochroism = | |Pleochroism = | ||
Revision as of 15:24, 20 December 2011
| Formicaite[1][2] | |
| Mineralogical name | Formicaite |
| Chemical name | |
| Trivial name | |
| Chemical formula | Ca(HCOO)2 |
| Other forms | |
| Crystal system | tetragonal |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | 162 g/l (0°C) |
| Density (g/cm³) | |
| Molar volume | |
| Molar weight | |
| Transparency | |
| Cleavage | |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | |
| Crystal Optics | |
| Refractive Indices | no = 1.553 ne = 1.573 |
| Birefringence | Δ = 0.020 |
| Optical Orientation | positive |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| {{{Literature}}} | |
back to Organic Salts
Weblinks[edit]
- ↑ http://webmineral.com/data/Formicaite.shtml viewed on 09/06/2011
- ↑ http://www.mindat.org/min-6954.html viewed on 09/06/2011