Antarcticite: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
|||
| Line 1: | Line 1: | ||
{{Infobox_Salt | {{Infobox_Salt | ||
|Footnote = <ref>http://webmineral.com/data/Antarcticite.shtml viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-251.html viewed on 29/07/2010</ref> | |Footnote = <ref>http://webmineral.com/data/Antarcticite.shtml viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-251.html viewed on 29/07/2010</ref> <ref><bib id="Broul.etal:1981"></ref> | ||
|photo = [[Image:HJS Ca(Cl)2 100903-10-7.jpg|300px]] | |photo = [[Image:HJS Ca(Cl)2 100903-10-7.jpg|300px]] | ||
|mineralogical_Name =Antarcticite | |mineralogical_Name =Antarcticite | ||
| Line 9: | Line 9: | ||
|Crystal_System =trigonal | |Crystal_System =trigonal | ||
|Crystal_Structure = | |Crystal_Structure = | ||
|Deliqueszenzhumidity =33.3% | |Deliqueszenzhumidity =33.3% | ||
|Solubility = 5360 g/l | |Solubility = 5360 g/l | ||
|Density =1. | |Density =1.71 g/cm³ | ||
|MolVolume =128.0 cm<sup>3</sup>/mol | |MolVolume =128.0 cm<sup>3</sup>/mol | ||
|Molweight =219.08 g/mol | |Molweight =219.08 g/mol | ||
| Line 34: | Line 34: | ||
<br clear=all> | <br clear=all> | ||
{|border="2" cellspacing="0" cellpadding="4" width="52%" align="left" class="wikitable" | {|border="2" cellspacing="0" cellpadding="4" width="52%" align="left" class="wikitable" | ||
|+''Table 1: Deliquescence humidities of antarcticite at different round temperatures <bib id="Steiger etal: 2014"/>'' | |+''Table 1: Deliquescence humidities of antarcticite at different round temperatures <bib id="Steiger.etal:2014"/>'' | ||
|- | |- | ||
|bgcolor = "#F0F0F0" align=center| 0°C | |bgcolor = "#F0F0F0" align=center| 0°C | ||
Revision as of 14:26, 6 February 2015
| Antarcticite[1][2] [3] | |
2_100903-10-7.jpg)
| |
| Mineralogical name | Antarcticite |
| Chemical name | Calcium chloride hexahydrate |
| Trivial name | |
| Chemical formula | CaCl2•6H2O |
| Other forms | |
| Crystal system | trigonal |
| Crystal structure | |
| Deliquescence humidity 20°C | 33.3% |
| Solubility (g/l) at 20°C | 5360 g/l |
| Density (g/cm³) | 1.71 g/cm³ |
| Molar volume | 128.0 cm3/mol |
| Molar weight | 219.08 g/mol |
| Transparency | transparent |
| Cleavage | perfect |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | hygroscopic and deliquescent |
| Crystal Optics | |
| Refractive Indices | no =1.417-1.494 ne = 1.393-1.550 |
| Birefringence | Δ= 0.024 |
| Optical Orientation | negative |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| {{{Literature}}} | |
back to Chloride
Hygroscopicity[edit]
| 0°C | 10°C | 20°C | 30°C | 40°C | 50°C |
| 44.3%r.h. | 39.4%r.h. | 33.3%r.h. | 21.6%r.h. (CaCl2•4H2O) | 18.4%r.h. (CaCl2•4H2O) | 16.3%r.h. (CaCl2•2H2O) |
Weblinks[edit]
- ↑ http://webmineral.com/data/Antarcticite.shtml viewed on 29/07/2010
- ↑ http://www.mindat.org/min-251.html viewed on 29/07/2010
- ↑ <bib id="Broul.etal:1981">
Literature[edit]
| [Steiger etal: 2014] | Steiger, Michael; Charola A. Elena; Sterflinger, Katja (2014): Weathering and Deterioration. In:: Stone in Architecture, Siegesmund S. and Snethlage R., 10.1007/978-3-642-45155-3_4. |  |