Formula: CuAs2
Reflected/transmitted colour: opaque, polished section white
Pleochroism:
Optical isotropy/anisotropy: polished section strong anisotropic, blue to light pinkish brown
Optical sign:
Refractive indices:
Birefringence δ/bireflectance: polished section bireflectance not present
2V angle:
Dispersion:
Optical orientation:
Optical axial plane:
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