Formula: Cr3C2
Reflected/transmitted colour: Pale violet (RL)
Pleochroism: Distinct (RL)
Optical isotropy/anisotropy: Biaxial; Strong anisotropic, purplish yellow to yellow orange (RL)
Optical sign:
Refractive indices:
Bireflectance/Birefringence δ: Distinct (RL)
2V angle:
Dispersion:
Optical orientation:
Optical axial plane:
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