Beryllium Aluminate (Alexandrite)
BeAl2O4 (Alexandrite)
|
Chemical name
Beryllium Aluminate (Alexandrite) |
|
Mineral name
Alexandrite |
|
Chemical formula
BeAl2O4 (Alexandrite) |
|
Melting point [°C]
1870 |
|
Crystal system
orthorhombic |
|
Space Group
Pnma |
|
Unit cell
a [Å]:5.47 b [Å]:9.39 c [Å]:4.42 |
|
Molecular weight [g/mol]
126.97 |
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Mohs hardness
8.5 |
|
Density [g/cm3]
3.79 |
|
Color
transparent |
|
Optical character
biaxial |
|
Refractive Index
ng=1.753; nm=1.747; np=1.744 |
|
Doping [%]
0.3 - 1.0 |
