Antarcticite

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Antarcticite[1][2]
HJS Ca(Cl)2 100903-10-7.jpg
Mineralogical name Antarcticite
Chemical name Calciumchloride hexahydrate
Trivial name
Chemical formula CaCl2•6H2O
Other forms
Crystal system trigonal
Crystal structure
Deliquescence humidity 20°C 33,7% (10°C), 30,8% (20°C), 22,4% (30°C)
Solubility (g/l) at 20°C 5360 g/l
Density (g/cm³) 1,68 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
Pleochroism
Dispersion
Used Literature
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