Formula: Ca(Mg,Fe,Mn)(CO3)2
Reflected/transmitted colour: colourless
Pleochroism: -
Optical isotropy/anisotropy: uniaxial
Optical sign: -
Refractive indices: ε =1.510-1.548, w = 1.690-1.750
Birefringence δ: 0.182-0.202
2V angle:
Dispersion: strong
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 |