https://www.high-endrolex.com/1

Optical and spectral properties
Lasing wavelength in nm
1058
Brechungsindex @ 1060 nm
1,92
Physical properties
Density in g/cm3
5,2 (undopet crystal)
Crystal structure
cubic
Thermal conductivity in W/(m · K)
7,9
Thermal expansion in 1/K
8,1 · 10-6
Mohs hardness
7
Lattice constant in Å
12,42
Typical dopant concentration in atom · cm-3
Cr: (1-2) · 1020

Nd: (1-3) · 1020