Mirabilite

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Mirabilite[1][2]
HJS Na2SO4-slides-110703-10x-1.jpg
Mineralogical name Mirabilite
Chemical name Natrium sulphate decahydrate
Trivial name Glauber salt, Reussin, Sulphate of Soda
Chemical formula Na2SO4•10H2O
Other forms Natrium sulphate heptahydrate Na2SO4•7H2O
Crystal system {{{Crystal_System}}}
Crystal structure
Deliquescence humidity 20°C 93,6
Solubility (g/l) at 20°C
Density (g/cm³) 1,464 g/cm³
Molar volume 219,8 cm3/mol
Molar weight 322,21 g/mol
Transparency transparent to opaque
Cleavage perfect
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments soluble in water and glycerin,
not soluble in pure alcohol
Crystal Optics
Refractive Indices nx = 1,395
ny = 1,396-1,410
nz = 1,398-1,419
Birefringence Δ = 0,04-0,023
Optical Orientation negative
Pleochroism
Dispersion
Used Literature
{{{Literature}}}


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