Calcium Carbonate Calcite type
CaCO3 (Calcite)
|
Chemical name
Calcium Carbonate Calcite type |
|
Mineral name
Calcite |
|
Chemical formula
CaCO3 (Calcite) |
|
Melting point [°C]
1339 |
|
Crystal system
trigonal |
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Crystal Class
3 2/m |
|
Space Group
R3c |
|
Unit cell
a [Å]:4,99 b [Å]: c [Å]:17,06 |
|
Molecular weight [g/mol]
100.09 |
|
Frequent crystal surfaces
{1010}, {0001}, {0112}, {0221} |
|
Twinning
twins (0001), (0112), (1011) |
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Mohs hardness
3 |
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Density [g/cm3]
2.6 - 2.8 |
|
Cleavage
(1011) |
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Fracture / Tenacity
perfect |
|
Color
colorless |
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Streak
white transparent |
|
Transparency
transparent |
|
Refractive Index
n=1,658 |
|
Birefringence δ
0,174 |
