Beryllium Aluminate
BeAl2O4
Chemical name
Beryllium Aluminate
Mineral name
Chrysoberyll
Chemical formula
BeAl2O4
Melting point [°C]
N/A
Crystal system
orthorhombic
Crystal Class
Dipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m)
Space Group
Pbnm
Unit cell
a [Å]:5.481
b [Å]:9.415
c [Å]:4.428
Molecular weight [g/mol]
126.973
Formula units
Z=4
Mohs hardness
7.5
Density [g/cm3]
3.759
Refractive Index
nα=1.746;
nβ=1.748;
nΥ=1.756
nβ=1.748;
nΥ=1.756
