Tachyhydrite

From Saltwiki
Tachyhydrite<ref>http://webmineral.com/data/Tachyhydrite.shtml viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-3865.html viewed on 29/07/2010</ref>
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

<references/>

Literature

There were no citations found in the article.