Formula: Cu (UO2)2 (AsO4)2 .10-16H2O
Reflected/transmitted colour:
Pleochroism:
Optical isotropy/anisotropy: Uniaxial
Optical sign: -
Refractive indices: ε = 1.576-1.623, ω = 1.585-1.643
Bireflectance/Birefringence δ: 0.009-0.020
2V angle:
Dispersion:
Optical orientation:
Optical axial plane:
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