Ettringite

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Ettringite[1][2]
Mineralogical name Ettringite
Chemical name Calcium aluminium sulphate hydrate
Trivial name
Chemical formula Ca6Al2(SO4)3(OH)12•26H2O
Other forms
Crystal system {{{Crystal_System}}}
Crystal structure
Deliquescence humidity 20°C
Solubility (g/l) at 20°C
Density (g/cm³) 1,8 g/cm3
Molar volume
Molar weight 1255,11 g/mol
Transparency
Cleavage
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments
Crystal Optics
Refractive Indices no = 1,491
ne = 1,470
Birefringence Δ = 0,021
Optical Orientation negative
Pleochroism
Dispersion
Used Literature
{{{Literature}}}


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