Tachyhydrite: Difference between revisions
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|chemical_Formula =CaMg<sub>2</sub>Cl<sub>6</sub>•12H<sub>2</sub>O | |chemical_Formula =CaMg<sub>2</sub>Cl<sub>6</sub>•12H<sub>2</sub>O | ||
|Hydratforms = | |Hydratforms = | ||
| | |Crystal_System =trigonal | ||
|Crystal_Structure = | |||
|Deliqueszenzhumidity = | |Deliqueszenzhumidity = | ||
|Solubility = | |Solubility = | ||
|Density =1.667 g/cm<sup>3</sup> | |Density =1.667 g/cm<sup>3</sup> | ||
|MolVolume =309 | |MolVolume =309.9 cm<sup>3</sup>/mol | ||
|Molweight =517 | |Molweight =517.7 g/mol | ||
|Transparency =transparent | |Transparency =transparent | ||
|Cleavage =perfect | |Cleavage =perfect | ||
|Crystal_Habit = | |Crystal_Habit = | ||
|Twinning = | |Twinning = | ||
|Refractive_Indices =n<sub>o</sub>= 1 | |Refractive_Indices =n<sub>o</sub>= 1.520-1.522<br> n<sub>e</sub> = 1.512-1.513 | ||
|Birefringence =Δ = 0 | |Birefringence =Δ = 0.008-0.009 | ||
|optical_Orientation =negative | |optical_Orientation =negative | ||
|Pleochroism = | |Pleochroism = | ||
| Line 24: | Line 25: | ||
|Phase_Transition = | |Phase_Transition = | ||
|chemBehavior = | |chemBehavior = | ||
|Comments = | |Comments =hygroscopic and deliquescent | ||
|Literature = | |||
}} | }} | ||
| Line 32: | Line 34: | ||
<references/> | <references/> | ||
[[Category:Tachyhydrite]][[Category:Chloride]][[Category:Salt]][[Category:InProgress]] | ==Literature== | ||
<biblist/> | |||
[[Category:Tachyhydrite]][[Category:Chloride]][[Category:Salt]][[Category:InProgress]][[Category:List]] | |||
Latest revision as of 16:46, 14 February 2015
| Tachyhydrite[1][2] | |
| Mineralogical name | Tachyhydrite |
| Chemical name | Calciummagnesiumchloride dodecahydrate |
| Trivial name | |
| Chemical formula | CaMg2Cl6•12H2O |
| Other forms | |
| Crystal system | trigonal |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | |
| Density (g/cm³) | 1.667 g/cm3 |
| Molar volume | 309.9 cm3/mol |
| Molar weight | 517.7 g/mol |
| Transparency | transparent |
| Cleavage | perfect |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | hygroscopic and deliquescent |
| Crystal Optics | |
| Refractive Indices | no= 1.520-1.522 ne = 1.512-1.513 |
| Birefringence | Δ = 0.008-0.009 |
| Optical Orientation | negative |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
back to Chloride
Weblinks[edit]
- ↑ http://webmineral.com/data/Tachyhydrite.shtml viewed on 29/07/2010
- ↑ http://www.mindat.org/min-3865.html viewed on 29/07/2010
Literature[edit]
There were no citations found in the article.