Formula: Pb3Bi2S6
Reflected/transmitted colour: RL white with a faint blue tint
Pleochroism: RL distinct, white to white with blue tint
Optical isotropy/anisotropy: RL distinct, dark gray to brown
Optical sign:
Refractive indices:
Bireflectance/Birefringence δ:
2V angle:
Dispersion:
Optical orientation:
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 |