Epsomite

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Epsomite[1][2]
HJS MgSO4 092503-2.jpg
Mineralogical name Epsomite
Chemical name Magnesiumsulfat Heptahydrat
Trivial name Bitter Salts, Reichardtite, Seelandite
Chemical formula MgSO4•7H2O
Other forms Kieserite (MgSO4•H2O)
Sanderite (MgSO4•2H2O)
Starkeyite (MgSO4•4H2O)
Pentahydrite(MgSO4•5H2O)
Hexahydrite (MgSO4•6H2O)
Meridianite (MgSO4•11H2O)
Magnesium 12-Hydrate
Crystal system {{{Crystal_System}}}
Crystal structure
Deliquescence humidity 20°C 90,1
Solubility (g/l) at 20°C 1,67 g/cm3
Density (g/cm³) 146,8 cm3/mol
Molar volume 246,48 g/mol
Molar weight
Transparency
Cleavage
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments
Crystal Optics
Refractive Indices nx = 1,433
ny = 1,455
nz = 1,461
Birefringence Δ = 0,028
Optical Orientation biaxial negative
Pleochroism
Dispersion
Used Literature
{{{Literature}}}


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