Epsomite: Difference between revisions

Revision as of 08:36, 10 June 2011

Epsomite^[1]^[2]

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	orthorhombic
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	transparent to translucent
Cleavage	perfect
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments
Crystal Optics
Refractive Indices	n_x = 1,433 n_y = 1,455 n_z = 1,461
Birefringence	Δ = 0,028
Optical Orientation	biaxial negative
Pleochroism
Dispersion
Used Literature
{{{Literature}}}

@@ Line 7: / Line 7: @@
 |chemical_Formula     =	MgSO<sub>4</sub>•7H<sub>2</sub>O
 |Hydratforms          =[[Kieserite]] (MgSO<sub>4</sub>•H<sub>2</sub>O)<br>[[Sanderite]] (MgSO<sub>4</sub>•2H<sub>2</sub>O)<br>[[Starkeyite]] (MgSO<sub>4</sub>•4H<sub>2</sub>O)<br>[[Pentahydrite]](MgSO<sub>4</sub>•5H<sub>2</sub>O)  <br>[[Hexahydrite]] (MgSO<sub>4</sub>•6H<sub>2</sub>O)<br>[[Meridianite]] (MgSO<sup>4</sup>•11H<sub>2</sub>O)<br>[[Magnesium 12-Hydrate]]
-|Crystal_Class        =orthorhombic
+|Crystal_System       = orthorhombic
 |Crystal_Structure    =
-|Deliqueszenzhumidity =90,1
+|Deliqueszenzhumidity = 90,1
 |Solubility           =	1,67 g/cm<sup>3</sup>
 |Density              =	146,8 cm<sup>3</sup>/mol