Pentahydrite: Difference between revisions

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|Footnote            = <ref>http://webmineral.com/data/Pentahydrite.shtml  viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-3153.html  viewed on 29/07/2010</ref>
|Footnote            = <ref>http://webmineral.com/data/Pentahydrite.shtml  viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-3153.html  viewed on 29/07/2010</ref>
|photo                =  <!--[[Image:"file name"|300px]]-->
|photo                =  <!--[[Image:"file name"|300px]]-->
|mineralogical_Name  =
|mineralogical_Name  = Pentahydrite, Allenite
|chemical_Name        = Pentahydrite
|chemical_Name        = Pentahydrite
|Trivial_Name        =
|Trivial_Name        =

Revision as of 12:22, 9 June 2011

Pentahydrite[1][2]
Mineralogical name Pentahydrite, Allenite
Chemical name Pentahydrite
Trivial name
Chemical formula MgSO4•5H2O
Other forms Kieserite (MgSO4•H2O)
Sanderite (MgSO4•2H2O)
Starkeyite (MgSO4•4H2O)
Hexahydrite (MgSO4•6H2O)
Epsomite (MgSO4•7H2O)
Meridianite (MgSO4•11H2O)
Magnesium 12-Hydrate
Crystal system {{{Crystal_System}}}
Crystal structure
Deliquescence humidity 20°C
Solubility (g/l) at 20°C
Density (g/cm³) 1,9 g/cm3
Molar volume
Molar weight
Transparency
Cleavage
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments not stable in air
Crystal Optics
Refractive Indices nx = 1,482
ny = 1,492
nz = 1,493
Birefringence Δ = 0,011
Optical Orientation negative
Pleochroism
Dispersion
Used Literature
{{{Literature}}}


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