Calcite

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Calcite[1][2]
Calcit Kristalle Musterplatte.jpg
Mineralogical name Calcite
Chemical name Calcium carbonate
Trivial name Calc spar
Chemical formula CaCO3
Other forms CaCO3•H2O
CaCO3•6H2O
Crystal system trigonal
Crystal structure
Deliquescence humidity 20°C
Solubility (g/l) at 20°C 0.014 g/l (25°C)
Density (g/cm³) 2.72 g/cm3
Molar volume
Molar weight 100.09 g/mol
Transparency transparent to opaque
Cleavage perfect
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments well soluble in 2M HCl
Crystal Optics
Refractive Indices no = 1.658
ne = 1.486
Birefringence Δ = 0.172
Optical Orientation negative
Pleochroism
Dispersion
Used Literature
{{{Literature}}}


back to Carbonate

Weblinks[edit]

  1. ↑ http://webmineral.com/data/Calcite.shtml viewed on 09/06/2011
  2. ↑ http://www.mindat.org/min-859.html viewed on 09/06/2011

A phase is a physically distinctive form of matter and is characterized by having relatively uniform chemical and physical properties.

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