Formula: CuTeO3.2H2O
Reflected/transmitted colour:
Pleochroism: Greenish blue (X), blue (Y), indigo blue (Z)
Optical isotropy/anisotropy: Biaxial
Optical sign: -
Refractive indices: α = 1.767, β = 1.782, γ = 1.791
Bireflectance/Birefringence δ: 0.024
2V angle: 74° (calculated), 36° (measured)
Dispersion:
Optical orientation: X = a, Y = b, Z = c
Optical axial plane:
| Back to Alphabetical list | Colour photos | Physical, chemical and crystallographic description | SEM images | TEM images | vibrational spectra description | IR spectra | Raman spectra | N-IR spectra | F-IR spectra | IES spectra |