Natrite: Difference between revisions

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Revision as of 08:21, 14 September 2011

Natrite[1][2]
HJS Na2CO3 092903-3.jpg
Mineralogical name Natrite
Chemical name Sodium carbonate
Trivial name
Chemical formula Na2CO3
Other forms Sodium carbonate hydrate (Na2CO3•H2O)
Sodium carbonate heptahydrate (Na2CO3•7H2O)
Sodium carbonate decahydrate (Na2CO3•10H2O)
Crystal system monoclinic
Crystal structure
Deliquescence humidity 20°C
Solubility (g/l) at 20°C 210 g/l
Density (g/cm³) 2,532 g/cm3
Molar volume
Molar weight 105,99 g/mol
Transparency
Cleavage
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments blooms quickly in dry air and passes into the monohydrate
pH about 12
Crystal Optics
Refractive Indices nx = 1,415
ny = 1,535
nz = 1,546
Birefringence Δ = 0,131
Optical Orientation biaxial negative
Pleochroism
Dispersion
Used Literature
{{{Literature}}}


back to Carbonate

Weblinks[edit]